20464680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170539}}^1$

素因数の和:170553

約数の個数: 32

約数和(自身を含む): 61394400

約数和(自身を除く): 40929720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170539, 341078, 511617, 682156, 852695, 1023234, 1364312, 1705390, 2046468, 2558085, 3410780, 4092936, 5116170, 6821560, 10232340, 20464680]

約数ペア:

[(1, 20464680), (2, 10232340), (3, 6821560), (4, 5116170), (5, 4092936), (6, 3410780), (8, 2558085), (10, 2046468), (12, 1705390), (15, 1364312), (20, 1023234), (24, 852695), (30, 682156), (40, 511617), (60, 341078), (120, 170539)]