20820648

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{51031}}^1$

素因数の和:51057

約数の個数: 32

約数和(自身を含む): 55114560

約数和(自身を除く): 34293912

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 51031, 102062, 153093, 204124, 306186, 408248, 612372, 867527, 1224744, 1735054, 2602581, 3470108, 5205162, 6940216, 10410324, 20820648]

約数ペア:

[(1, 20820648), (2, 10410324), (3, 6940216), (4, 5205162), (6, 3470108), (8, 2602581), (12, 1735054), (17, 1224744), (24, 867527), (34, 612372), (51, 408248), (68, 306186), (102, 204124), (136, 153093), (204, 102062), (408, 51031)]