20071203

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 30108672

約数和(自身を除く): 10037469

約数列:

[1, 3, 17, 23, 51, 69, 71, 213, 241, 391, 723, 1173, 1207, 1633, 3621, 4097, 4899, 5543, 12291, 16629, 17111, 27761, 51333, 83283, 94231, 282693, 290887, 393553, 872661, 1180659, 6690401, 20071203]

約数ペア:

[(1, 20071203), (3, 6690401), (17, 1180659), (23, 872661), (51, 393553), (69, 290887), (71, 282693), (213, 94231), (241, 83283), (391, 51333), (723, 27761), (1173, 17111), (1207, 16629), (1633, 12291), (3621, 5543), (4097, 4899)]