20792702320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{52201}}^1$

素因数の和:52610

約数の個数: 80

約数和(自身を含む): 52198659072

約数和(自身を除く): 31405956752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 383, 520, 766, 1040, 1532, 1915, 3064, 3830, 4979, 6128, 7660, 9958, 15320, 19916, 24895, 30640, 39832, 49790, 52201, 79664, 99580, 104402, 199160, 208804, 261005, 398320, 417608, 522010, 678613, 835216, 1044020, 1357226, 2088040, 2714452, 3393065, 4176080, 5428904, 6786130, 10857808, 13572260, 19992983, 27144520, 39985966, 54289040, 79971932, 99964915, 159943864, 199929830, 259908779, 319887728, 399859660, 519817558, 799719320, 1039635116, 1299543895, 1599438640, 2079270232, 2599087790, 4158540464, 5198175580, 10396351160, 20792702320]

約数ペア:

[(1, 20792702320), (2, 10396351160), (4, 5198175580), (5, 4158540464), (8, 2599087790), (10, 2079270232), (13, 1599438640), (16, 1299543895), (20, 1039635116), (26, 799719320), (40, 519817558), (52, 399859660), (65, 319887728), (80, 259908779), (104, 199929830), (130, 159943864), (208, 99964915), (260, 79971932), (383, 54289040), (520, 39985966), (766, 27144520), (1040, 19992983), (1532, 13572260), (1915, 10857808), (3064, 6786130), (3830, 5428904), (4979, 4176080), (6128, 3393065), (7660, 2714452), (9958, 2088040), (15320, 1357226), (19916, 1044020), (24895, 835216), (30640, 678613), (39832, 522010), (49790, 417608), (52201, 398320), (79664, 261005), (99580, 208804), (104402, 199160)]