20909430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{613}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 54596880

約数和(自身を除く): 33687450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 379, 613, 758, 1137, 1226, 1839, 1895, 2274, 3065, 3411, 3678, 3790, 5517, 5685, 6130, 6822, 9195, 11034, 11370, 17055, 18390, 27585, 34110, 55170, 232327, 464654, 696981, 1161635, 1393962, 2090943, 2323270, 3484905, 4181886, 6969810, 10454715, 20909430]

約数ペア:

[(1, 20909430), (2, 10454715), (3, 6969810), (5, 4181886), (6, 3484905), (9, 2323270), (10, 2090943), (15, 1393962), (18, 1161635), (30, 696981), (45, 464654), (90, 232327), (379, 55170), (613, 34110), (758, 27585), (1137, 18390), (1226, 17055), (1839, 11370), (1895, 11034), (2274, 9195), (3065, 6822), (3411, 6130), (3678, 5685), (3790, 5517)]