20203953

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{587}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13664847

約数列:

[1, 3, 7, 11, 21, 33, 77, 149, 231, 447, 587, 1043, 1639, 1761, 3129, 4109, 4917, 6457, 11473, 12327, 19371, 34419, 45199, 87463, 135597, 262389, 612241, 962093, 1836723, 2886279, 6734651, 20203953]

約数ペア:

[(1, 20203953), (3, 6734651), (7, 2886279), (11, 1836723), (21, 962093), (33, 612241), (77, 262389), (149, 135597), (231, 87463), (447, 45199), (587, 34419), (1043, 19371), (1639, 12327), (1761, 11473), (3129, 6457), (4109, 4917)]