20004826504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:779

約数の個数: 128

約数和(自身を含む): 42674688000

約数和(自身を除く): 22669861496

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 59, 62, 104, 118, 124, 236, 248, 251, 403, 419, 472, 502, 767, 806, 838, 1004, 1534, 1612, 1676, 1829, 2008, 3068, 3224, 3263, 3352, 3658, 5447, 6136, 6526, 7316, 7781, 10894, 12989, 13052, 14632, 14809, 15562, 21788, 23777, 24721, 25978, 26104, 29618, 31124, 43576, 47554, 49442, 51956, 59236, 62248, 95108, 98884, 101153, 103912, 105169, 118472, 168857, 190216, 192517, 197768, 202306, 210338, 321373, 337714, 385034, 404612, 420676, 459079, 642746, 675428, 766351, 770068, 809224, 841352, 918158, 1285492, 1350856, 1367197, 1532702, 1540136, 1836316, 2570984, 2734394, 3065404, 3260239, 3672632, 5468788, 5968027, 6130808, 6204971, 6520478, 9962563, 10937576, 11936054, 12409942, 13040956, 19925126, 23872108, 24819884, 26081912, 39850252, 42383107, 47744216, 49639768, 79700504, 80664623, 84766214, 161329246, 169532428, 192354101, 322658492, 339064856, 384708202, 645316984, 769416404, 1538832808, 2500603313, 5001206626, 10002413252, 20004826504]

約数ペア:

[(1, 20004826504), (2, 10002413252), (4, 5001206626), (8, 2500603313), (13, 1538832808), (26, 769416404), (31, 645316984), (52, 384708202), (59, 339064856), (62, 322658492), (104, 192354101), (118, 169532428), (124, 161329246), (236, 84766214), (248, 80664623), (251, 79700504), (403, 49639768), (419, 47744216), (472, 42383107), (502, 39850252), (767, 26081912), (806, 24819884), (838, 23872108), (1004, 19925126), (1534, 13040956), (1612, 12409942), (1676, 11936054), (1829, 10937576), (2008, 9962563), (3068, 6520478), (3224, 6204971), (3263, 6130808), (3352, 5968027), (3658, 5468788), (5447, 3672632), (6136, 3260239), (6526, 3065404), (7316, 2734394), (7781, 2570984), (10894, 1836316), (12989, 1540136), (13052, 1532702), (14632, 1367197), (14809, 1350856), (15562, 1285492), (21788, 918158), (23777, 841352), (24721, 809224), (25978, 770068), (26104, 766351), (29618, 675428), (31124, 642746), (43576, 459079), (47554, 420676), (49442, 404612), (51956, 385034), (59236, 337714), (62248, 321373), (95108, 210338), (98884, 202306), (101153, 197768), (103912, 192517), (105169, 190216), (118472, 168857)]