20218986564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{759313}}^1$

素因数の和:759644

約数の個数: 48

約数和(自身を含む): 54087454848

約数和(自身を除く): 33868468284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 317, 634, 951, 1268, 1902, 2219, 3804, 4438, 6657, 8876, 13314, 26628, 759313, 1518626, 2277939, 3037252, 4555878, 5315191, 9111756, 10630382, 15945573, 21260764, 31891146, 63782292, 240702221, 481404442, 722106663, 962808884, 1444213326, 1684915547, 2888426652, 3369831094, 5054746641, 6739662188, 10109493282, 20218986564]

約数ペア:

[(1, 20218986564), (2, 10109493282), (3, 6739662188), (4, 5054746641), (6, 3369831094), (7, 2888426652), (12, 1684915547), (14, 1444213326), (21, 962808884), (28, 722106663), (42, 481404442), (84, 240702221), (317, 63782292), (634, 31891146), (951, 21260764), (1268, 15945573), (1902, 10630382), (2219, 9111756), (3804, 5315191), (4438, 4555878), (6657, 3037252), (8876, 2277939), (13314, 1518626), (26628, 759313)]