20687490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4337}}^1$

素因数の和:4403

約数の個数: 48

約数和(自身を含む): 54814968

約数和(自身を除く): 34127478

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4337, 4770, 8674, 13011, 21685, 26022, 39033, 43370, 65055, 78066, 130110, 195165, 229861, 390330, 459722, 689583, 1149305, 1379166, 2068749, 2298610, 3447915, 4137498, 6895830, 10343745, 20687490]

約数ペア:

[(1, 20687490), (2, 10343745), (3, 6895830), (5, 4137498), (6, 3447915), (9, 2298610), (10, 2068749), (15, 1379166), (18, 1149305), (30, 689583), (45, 459722), (53, 390330), (90, 229861), (106, 195165), (159, 130110), (265, 78066), (318, 65055), (477, 43370), (530, 39033), (795, 26022), (954, 21685), (1590, 13011), (2385, 8674), (4337, 4770)]