20664210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5179}}^1$

素因数の和:5215

約数の個数: 64

約数和(自身を含む): 59673600

約数和(自身を除く): 39009390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 5179, 10358, 15537, 25895, 31074, 36253, 51790, 72506, 77685, 98401, 108759, 155370, 181265, 196802, 217518, 295203, 362530, 492005, 543795, 590406, 688807, 984010, 1087590, 1377614, 1476015, 2066421, 2952030, 3444035, 4132842, 6888070, 10332105, 20664210]

約数ペア:

[(1, 20664210), (2, 10332105), (3, 6888070), (5, 4132842), (6, 3444035), (7, 2952030), (10, 2066421), (14, 1476015), (15, 1377614), (19, 1087590), (21, 984010), (30, 688807), (35, 590406), (38, 543795), (42, 492005), (57, 362530), (70, 295203), (95, 217518), (105, 196802), (114, 181265), (133, 155370), (190, 108759), (210, 98401), (266, 77685), (285, 72506), (399, 51790), (570, 36253), (665, 31074), (798, 25895), (1330, 15537), (1995, 10358), (3990, 5179)]