20389206

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 42039648

約数和(自身を除く): 21650442

約数列:

[1, 2, 3, 6, 53, 97, 106, 159, 194, 291, 318, 582, 661, 1322, 1983, 3966, 5141, 10282, 15423, 30846, 35033, 64117, 70066, 105099, 128234, 192351, 210198, 384702, 3398201, 6796402, 10194603, 20389206]

約数ペア:

[(1, 20389206), (2, 10194603), (3, 6796402), (6, 3398201), (53, 384702), (97, 210198), (106, 192351), (159, 128234), (194, 105099), (291, 70066), (318, 64117), (582, 35033), (661, 30846), (1322, 15423), (1983, 10282), (3966, 5141)]