20348098456

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{7001}}^1$

素因数の和:7145

約数の個数: 128

約数和(自身を含む): 47913845760

約数和(自身を除く): 27565747304

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 43, 56, 68, 71, 86, 119, 136, 142, 172, 238, 284, 301, 344, 476, 497, 568, 602, 731, 952, 994, 1204, 1207, 1462, 1988, 2408, 2414, 2924, 3053, 3976, 4828, 5117, 5848, 6106, 7001, 8449, 9656, 10234, 12212, 14002, 16898, 20468, 21371, 24424, 28004, 33796, 40936, 42742, 49007, 51901, 56008, 67592, 85484, 98014, 103802, 119017, 170968, 196028, 207604, 238034, 301043, 363307, 392056, 415208, 476068, 497071, 602086, 726614, 833119, 952136, 994142, 1204172, 1453228, 1666238, 1988284, 2107301, 2408344, 2906456, 3332476, 3479497, 3976568, 4214602, 5117731, 6664952, 6958994, 8429204, 8450207, 10235462, 13917988, 16858408, 16900414, 20470924, 21374053, 27835976, 33800828, 35824117, 40941848, 42748106, 59151449, 67601656, 71648234, 85496212, 118302898, 143296468, 149618371, 170992424, 236605796, 286592936, 299236742, 363358901, 473211592, 598473484, 726717802, 1196946968, 1453435604, 2543512307, 2906871208, 5087024614, 10174049228, 20348098456]

約数ペア:

[(1, 20348098456), (2, 10174049228), (4, 5087024614), (7, 2906871208), (8, 2543512307), (14, 1453435604), (17, 1196946968), (28, 726717802), (34, 598473484), (43, 473211592), (56, 363358901), (68, 299236742), (71, 286592936), (86, 236605796), (119, 170992424), (136, 149618371), (142, 143296468), (172, 118302898), (238, 85496212), (284, 71648234), (301, 67601656), (344, 59151449), (476, 42748106), (497, 40941848), (568, 35824117), (602, 33800828), (731, 27835976), (952, 21374053), (994, 20470924), (1204, 16900414), (1207, 16858408), (1462, 13917988), (1988, 10235462), (2408, 8450207), (2414, 8429204), (2924, 6958994), (3053, 6664952), (3976, 5117731), (4828, 4214602), (5117, 3976568), (5848, 3479497), (6106, 3332476), (7001, 2906456), (8449, 2408344), (9656, 2107301), (10234, 1988284), (12212, 1666238), (14002, 1453228), (16898, 1204172), (20468, 994142), (21371, 952136), (24424, 833119), (28004, 726614), (33796, 602086), (40936, 497071), (42742, 476068), (49007, 415208), (51901, 392056), (56008, 363307), (67592, 301043), (85484, 238034), (98014, 207604), (103802, 196028), (119017, 170968)]