20415612

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{677}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 54673920

約数和(自身を除く): 34258308

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 359, 677, 718, 1077, 1354, 1436, 2031, 2154, 2513, 2708, 4062, 4308, 4739, 5026, 7539, 8124, 9478, 10052, 14217, 15078, 18956, 28434, 30156, 56868, 243043, 486086, 729129, 972172, 1458258, 1701301, 2916516, 3402602, 5103903, 6805204, 10207806, 20415612]

約数ペア:

[(1, 20415612), (2, 10207806), (3, 6805204), (4, 5103903), (6, 3402602), (7, 2916516), (12, 1701301), (14, 1458258), (21, 972172), (28, 729129), (42, 486086), (84, 243043), (359, 56868), (677, 30156), (718, 28434), (1077, 18956), (1354, 15078), (1436, 14217), (2031, 10052), (2154, 9478), (2513, 8124), (2708, 7539), (4062, 5026), (4308, 4739)]