20134519475

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{17791}}^1$

素因数の和:18060

約数の個数: 48

約数和(自身を含む): 29651435520

約数和(自身を除く): 9516916045

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 223, 725, 1015, 1115, 1561, 5075, 5575, 6467, 7805, 17791, 32335, 39025, 45269, 88955, 124537, 161675, 226345, 444775, 515939, 622685, 1131725, 2579695, 3113425, 3611573, 3967393, 12898475, 18057865, 19836965, 27771751, 90289325, 99184825, 115054397, 138858755, 575271985, 694293775, 805380779, 2876359925, 4026903895, 20134519475]

約数ペア:

[(1, 20134519475), (5, 4026903895), (7, 2876359925), (25, 805380779), (29, 694293775), (35, 575271985), (145, 138858755), (175, 115054397), (203, 99184825), (223, 90289325), (725, 27771751), (1015, 19836965), (1115, 18057865), (1561, 12898475), (5075, 3967393), (5575, 3611573), (6467, 3113425), (7805, 2579695), (17791, 1131725), (32335, 622685), (39025, 515939), (45269, 444775), (88955, 226345), (124537, 161675)]