20268780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48259}}^1$

素因数の和:48278

約数の個数: 48

約数和(自身を含む): 64861440

約数和(自身を除く): 44592660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48259, 96518, 144777, 193036, 241295, 289554, 337813, 482590, 579108, 675626, 723885, 965180, 1013439, 1351252, 1447770, 1689065, 2026878, 2895540, 3378130, 4053756, 5067195, 6756260, 10134390, 20268780]

約数ペア:

[(1, 20268780), (2, 10134390), (3, 6756260), (4, 5067195), (5, 4053756), (6, 3378130), (7, 2895540), (10, 2026878), (12, 1689065), (14, 1447770), (15, 1351252), (20, 1013439), (21, 965180), (28, 723885), (30, 675626), (35, 579108), (42, 482590), (60, 337813), (70, 289554), (84, 241295), (105, 193036), (140, 144777), (210, 96518), (420, 48259)]