20153668925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{62701}}^1$

素因数の和:62790

約数の個数: 48

約数和(自身を含む): 28736577408

約数和(自身を除く): 8582908483

約数列:

[1, 5, 13, 23, 25, 43, 65, 115, 215, 299, 325, 559, 575, 989, 1075, 1495, 2795, 4945, 7475, 12857, 13975, 24725, 62701, 64285, 313505, 321425, 815113, 1442123, 1567525, 2696143, 4075565, 7210615, 13480715, 18747599, 20377825, 35049859, 36053075, 62011289, 67403575, 93737995, 175249295, 310056445, 468689975, 806146757, 876246475, 1550282225, 4030733785, 20153668925]

約数ペア:

[(1, 20153668925), (5, 4030733785), (13, 1550282225), (23, 876246475), (25, 806146757), (43, 468689975), (65, 310056445), (115, 175249295), (215, 93737995), (299, 67403575), (325, 62011289), (559, 36053075), (575, 35049859), (989, 20377825), (1075, 18747599), (1495, 13480715), (2795, 7210615), (4945, 4075565), (7475, 2696143), (12857, 1567525), (13975, 1442123), (24725, 815113), (62701, 321425), (64285, 313505)]