20003731360

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1\times {\mathrm{691}}^1$

素因数の和:1119

約数の個数: 192

約数和(自身を含む): 51980382720

約数和(自身を除く): 31976651360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 68, 80, 85, 116, 136, 145, 160, 170, 232, 272, 290, 340, 367, 464, 493, 544, 580, 680, 691, 734, 928, 986, 1160, 1360, 1382, 1468, 1835, 1972, 2320, 2465, 2720, 2764, 2936, 3455, 3670, 3944, 4640, 4930, 5528, 5872, 6239, 6910, 7340, 7888, 9860, 10643, 11056, 11744, 11747, 12478, 13820, 14680, 15776, 19720, 20039, 21286, 22112, 23494, 24956, 27640, 29360, 31195, 39440, 40078, 42572, 46988, 49912, 53215, 55280, 58720, 58735, 62390, 78880, 80156, 85144, 93976, 99824, 100195, 106430, 110560, 117470, 124780, 160312, 170288, 180931, 187952, 199648, 200390, 212860, 234940, 249560, 253597, 320624, 340576, 340663, 361862, 375904, 400780, 425720, 469880, 499120, 507194, 641248, 681326, 723724, 801560, 851440, 904655, 939760, 998240, 1014388, 1267985, 1362652, 1447448, 1603120, 1702880, 1703315, 1809310, 1879520, 2028776, 2535970, 2725304, 2894896, 3206240, 3406630, 3618620, 4057552, 4311149, 5071940, 5450608, 5789792, 6813260, 7237240, 7354313, 8115104, 8622298, 10143880, 10901216, 13626520, 14474480, 14708626, 17244596, 20287760, 21555745, 27253040, 28948960, 29417252, 34489192, 36771565, 40575520, 43111490, 54506080, 58834504, 68978384, 73543130, 86222980, 117669008, 125023321, 137956768, 147086260, 172445960, 235338016, 250046642, 294172520, 344891920, 500093284, 588345040, 625116605, 689783840, 1000186568, 1176690080, 1250233210, 2000373136, 2500466420, 4000746272, 5000932840, 10001865680, 20003731360]

約数ペア:

[(1, 20003731360), (2, 10001865680), (4, 5000932840), (5, 4000746272), (8, 2500466420), (10, 2000373136), (16, 1250233210), (17, 1176690080), (20, 1000186568), (29, 689783840), (32, 625116605), (34, 588345040), (40, 500093284), (58, 344891920), (68, 294172520), (80, 250046642), (85, 235338016), (116, 172445960), (136, 147086260), (145, 137956768), (160, 125023321), (170, 117669008), (232, 86222980), (272, 73543130), (290, 68978384), (340, 58834504), (367, 54506080), (464, 43111490), (493, 40575520), (544, 36771565), (580, 34489192), (680, 29417252), (691, 28948960), (734, 27253040), (928, 21555745), (986, 20287760), (1160, 17244596), (1360, 14708626), (1382, 14474480), (1468, 13626520), (1835, 10901216), (1972, 10143880), (2320, 8622298), (2465, 8115104), (2720, 7354313), (2764, 7237240), (2936, 6813260), (3455, 5789792), (3670, 5450608), (3944, 5071940), (4640, 4311149), (4930, 4057552), (5528, 3618620), (5872, 3406630), (6239, 3206240), (6910, 2894896), (7340, 2725304), (7888, 2535970), (9860, 2028776), (10643, 1879520), (11056, 1809310), (11744, 1703315), (11747, 1702880), (12478, 1603120), (13820, 1447448), (14680, 1362652), (15776, 1267985), (19720, 1014388), (20039, 998240), (21286, 939760), (22112, 904655), (23494, 851440), (24956, 801560), (27640, 723724), (29360, 681326), (31195, 641248), (39440, 507194), (40078, 499120), (42572, 469880), (46988, 425720), (49912, 400780), (53215, 375904), (55280, 361862), (58720, 340663), (58735, 340576), (62390, 320624), (78880, 253597), (80156, 249560), (85144, 234940), (93976, 212860), (99824, 200390), (100195, 199648), (106430, 187952), (110560, 180931), (117470, 170288), (124780, 160312)]