20139794920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1237}}^1\times {\mathrm{58147}}^1$

素因数の和:59402

約数の個数: 64

約数和(自身を含む): 51830801280

約数和(自身を除く): 31691006360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1237, 2474, 4948, 6185, 8659, 9896, 12370, 17318, 24740, 34636, 43295, 49480, 58147, 69272, 86590, 116294, 173180, 232588, 290735, 346360, 407029, 465176, 581470, 814058, 1162940, 1628116, 2035145, 2325880, 3256232, 4070290, 8140580, 16281160, 71927839, 143855678, 287711356, 359639195, 503494873, 575422712, 719278390, 1006989746, 1438556780, 2013979492, 2517474365, 2877113560, 4027958984, 5034948730, 10069897460, 20139794920]

約数ペア:

[(1, 20139794920), (2, 10069897460), (4, 5034948730), (5, 4027958984), (7, 2877113560), (8, 2517474365), (10, 2013979492), (14, 1438556780), (20, 1006989746), (28, 719278390), (35, 575422712), (40, 503494873), (56, 359639195), (70, 287711356), (140, 143855678), (280, 71927839), (1237, 16281160), (2474, 8140580), (4948, 4070290), (6185, 3256232), (8659, 2325880), (9896, 2035145), (12370, 1628116), (17318, 1162940), (24740, 814058), (34636, 581470), (43295, 465176), (49480, 407029), (58147, 346360), (69272, 290735), (86590, 232588), (116294, 173180)]