20187399715

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{739}}^1\times {\mathrm{6907}}^1$

素因数の和:7771

約数の個数: 32

約数和(自身を含む): 27972426240

約数和(自身を除く): 7785026525

約数列:

[1, 5, 7, 35, 113, 565, 739, 791, 3695, 3955, 5173, 6907, 25865, 34535, 48349, 83507, 241745, 417535, 584549, 780491, 2922745, 3902455, 5104273, 5463437, 25521365, 27317185, 35729911, 178649555, 576782849, 2883914245, 4037479943, 20187399715]

約数ペア:

[(1, 20187399715), (5, 4037479943), (7, 2883914245), (35, 576782849), (113, 178649555), (565, 35729911), (739, 27317185), (791, 25521365), (3695, 5463437), (3955, 5104273), (5173, 3902455), (6907, 2922745), (25865, 780491), (34535, 584549), (48349, 417535), (83507, 241745)]