20210472

素因数分解:

$2^3\times 3^4\times {\mathrm{31189}}^1$

素因数の和:31207

約数の個数: 40

約数和(自身を含む): 56609850

約数和(自身を除く): 36399378

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 31189, 62378, 93567, 124756, 187134, 249512, 280701, 374268, 561402, 748536, 842103, 1122804, 1684206, 2245608, 2526309, 3368412, 5052618, 6736824, 10105236, 20210472]

約数ペア:

[(1, 20210472), (2, 10105236), (3, 6736824), (4, 5052618), (6, 3368412), (8, 2526309), (9, 2245608), (12, 1684206), (18, 1122804), (24, 842103), (27, 748536), (36, 561402), (54, 374268), (72, 280701), (81, 249512), (108, 187134), (162, 124756), (216, 93567), (324, 62378), (648, 31189)]