20156989154

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1\times {\mathrm{11239}}^1$

素因数の和:11802

約数の個数: 32

約数和(自身を含む): 32195856000

約数和(自身を除く): 12038866846

約数列:

[1, 2, 19, 38, 109, 218, 433, 866, 2071, 4142, 8227, 11239, 16454, 22478, 47197, 94394, 213541, 427082, 896743, 1225051, 1793486, 2450102, 4866487, 9732974, 23275969, 46551938, 92463253, 184926506, 530447083, 1060894166, 10078494577, 20156989154]

約数ペア:

[(1, 20156989154), (2, 10078494577), (19, 1060894166), (38, 530447083), (109, 184926506), (218, 92463253), (433, 46551938), (866, 23275969), (2071, 9732974), (4142, 4866487), (8227, 2450102), (11239, 1793486), (16454, 1225051), (22478, 896743), (47197, 427082), (94394, 213541)]