20128260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3257}}^1$

素因数の和:3372

約数の個数: 48

約数和(自身を含む): 56923776

約数和(自身を除く): 36795516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 3257, 6180, 6514, 9771, 13028, 16285, 19542, 32570, 39084, 48855, 65140, 97710, 195420, 335471, 670942, 1006413, 1341884, 1677355, 2012826, 3354710, 4025652, 5032065, 6709420, 10064130, 20128260]

約数ペア:

[(1, 20128260), (2, 10064130), (3, 6709420), (4, 5032065), (5, 4025652), (6, 3354710), (10, 2012826), (12, 1677355), (15, 1341884), (20, 1006413), (30, 670942), (60, 335471), (103, 195420), (206, 97710), (309, 65140), (412, 48855), (515, 39084), (618, 32570), (1030, 19542), (1236, 16285), (1545, 13028), (2060, 9771), (3090, 6514), (3257, 6180)]