20172649705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1307}}^1\times {\mathrm{2351}}^1$

素因数の和:3777

約数の個数: 32

約数和(自身を含む): 26358732288

約数和(自身を除く): 6186082583

約数列:

[1, 5, 13, 65, 101, 505, 1307, 1313, 2351, 6535, 6565, 11755, 16991, 30563, 84955, 132007, 152815, 237451, 660035, 1187255, 1716091, 3072757, 3086863, 8580455, 15363785, 15434315, 39945841, 199729205, 310348457, 1551742285, 4034529941, 20172649705]

約数ペア:

[(1, 20172649705), (5, 4034529941), (13, 1551742285), (65, 310348457), (101, 199729205), (505, 39945841), (1307, 15434315), (1313, 15363785), (2351, 8580455), (6535, 3086863), (6565, 3072757), (11755, 1716091), (16991, 1187255), (30563, 660035), (84955, 237451), (132007, 152815)]