20559786940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{13499}}^1$

素因数の和:13592

約数の個数: 192

約数和(自身を含む): 57480192000

約数和(自身を除く): 36920405060

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 43, 44, 46, 55, 70, 77, 86, 92, 110, 115, 140, 154, 161, 172, 215, 220, 230, 253, 301, 308, 322, 385, 430, 460, 473, 506, 602, 644, 770, 805, 860, 946, 989, 1012, 1204, 1265, 1505, 1540, 1610, 1771, 1892, 1978, 2365, 2530, 3010, 3220, 3311, 3542, 3956, 4730, 4945, 5060, 6020, 6622, 6923, 7084, 8855, 9460, 9890, 10879, 13244, 13499, 13846, 16555, 17710, 19780, 21758, 26998, 27692, 33110, 34615, 35420, 43516, 53996, 54395, 66220, 67495, 69230, 76153, 94493, 108790, 134990, 138460, 148489, 152306, 188986, 217580, 269980, 296978, 304612, 310477, 377972, 380765, 472465, 580457, 593956, 620954, 742445, 761530, 944930, 1039423, 1160914, 1241908, 1484890, 1523060, 1552385, 1889860, 2078846, 2173339, 2321828, 2902285, 2969780, 3104770, 3415247, 4063199, 4157692, 4346678, 5197115, 5804570, 6209540, 6385027, 6830494, 8126398, 8693356, 10394230, 10866695, 11609140, 12770054, 13350511, 13660988, 16252796, 17076235, 20315995, 20788460, 21733390, 23906729, 25540108, 26701022, 31925135, 34152470, 40631990, 43466780, 44695189, 47813458, 53402044, 63850270, 66752555, 68304940, 81263980, 89390378, 93453577, 95626916, 119533645, 127700540, 133505110, 146855621, 178780756, 186907154, 223475945, 239067290, 267010220, 293711242, 373814308, 446951890, 467267885, 478134580, 587422484, 734278105, 893903780, 934535770, 1027989347, 1468556210, 1869071540, 2055978694, 2937112420, 4111957388, 5139946735, 10279893470, 20559786940]

約数ペア:

[(1, 20559786940), (2, 10279893470), (4, 5139946735), (5, 4111957388), (7, 2937112420), (10, 2055978694), (11, 1869071540), (14, 1468556210), (20, 1027989347), (22, 934535770), (23, 893903780), (28, 734278105), (35, 587422484), (43, 478134580), (44, 467267885), (46, 446951890), (55, 373814308), (70, 293711242), (77, 267010220), (86, 239067290), (92, 223475945), (110, 186907154), (115, 178780756), (140, 146855621), (154, 133505110), (161, 127700540), (172, 119533645), (215, 95626916), (220, 93453577), (230, 89390378), (253, 81263980), (301, 68304940), (308, 66752555), (322, 63850270), (385, 53402044), (430, 47813458), (460, 44695189), (473, 43466780), (506, 40631990), (602, 34152470), (644, 31925135), (770, 26701022), (805, 25540108), (860, 23906729), (946, 21733390), (989, 20788460), (1012, 20315995), (1204, 17076235), (1265, 16252796), (1505, 13660988), (1540, 13350511), (1610, 12770054), (1771, 11609140), (1892, 10866695), (1978, 10394230), (2365, 8693356), (2530, 8126398), (3010, 6830494), (3220, 6385027), (3311, 6209540), (3542, 5804570), (3956, 5197115), (4730, 4346678), (4945, 4157692), (5060, 4063199), (6020, 3415247), (6622, 3104770), (6923, 2969780), (7084, 2902285), (8855, 2321828), (9460, 2173339), (9890, 2078846), (10879, 1889860), (13244, 1552385), (13499, 1523060), (13846, 1484890), (16555, 1241908), (17710, 1160914), (19780, 1039423), (21758, 944930), (26998, 761530), (27692, 742445), (33110, 620954), (34615, 593956), (35420, 580457), (43516, 472465), (53996, 380765), (54395, 377972), (66220, 310477), (67495, 304612), (69230, 296978), (76153, 269980), (94493, 217580), (108790, 188986), (134990, 152306), (138460, 148489)]