20198715

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 34062336

約数和(自身を除く): 13863621

約数列:

[1, 3, 5, 15, 23, 69, 115, 127, 345, 381, 461, 635, 1383, 1905, 2305, 2921, 6915, 8763, 10603, 14605, 31809, 43815, 53015, 58547, 159045, 175641, 292735, 878205, 1346581, 4039743, 6732905, 20198715]

約数ペア:

[(1, 20198715), (3, 6732905), (5, 4039743), (15, 1346581), (23, 878205), (69, 292735), (115, 175641), (127, 159045), (345, 58547), (381, 53015), (461, 43815), (635, 31809), (1383, 14605), (1905, 10603), (2305, 8763), (2921, 6915)]