20870448

素因数分解:

$2^4\times 3^1\times {\mathrm{109}}^1\times {\mathrm{3989}}^1$

素因数の和:4109

約数の個数: 40

約数和(自身を含む): 54423600

約数和(自身を除く): 33553152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 109, 218, 327, 436, 654, 872, 1308, 1744, 2616, 3989, 5232, 7978, 11967, 15956, 23934, 31912, 47868, 63824, 95736, 191472, 434801, 869602, 1304403, 1739204, 2608806, 3478408, 5217612, 6956816, 10435224, 20870448]

約数ペア:

[(1, 20870448), (2, 10435224), (3, 6956816), (4, 5217612), (6, 3478408), (8, 2608806), (12, 1739204), (16, 1304403), (24, 869602), (48, 434801), (109, 191472), (218, 95736), (327, 63824), (436, 47868), (654, 31912), (872, 23934), (1308, 15956), (1744, 11967), (2616, 7978), (3989, 5232)]