20656472046

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{989579}}^1$

素因数の和:989669

約数の個数: 48

約数和(自身を含む): 48734835840

約数和(自身を除く): 28078363794

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 71, 98, 142, 147, 213, 294, 426, 497, 994, 1491, 2982, 3479, 6958, 10437, 20874, 989579, 1979158, 2968737, 5937474, 6927053, 13854106, 20781159, 41562318, 48489371, 70260109, 96978742, 140520218, 145468113, 210780327, 290936226, 421560654, 491820763, 983641526, 1475462289, 2950924578, 3442745341, 6885490682, 10328236023, 20656472046]

約数ペア:

[(1, 20656472046), (2, 10328236023), (3, 6885490682), (6, 3442745341), (7, 2950924578), (14, 1475462289), (21, 983641526), (42, 491820763), (49, 421560654), (71, 290936226), (98, 210780327), (142, 145468113), (147, 140520218), (213, 96978742), (294, 70260109), (426, 48489371), (497, 41562318), (994, 20781159), (1491, 13854106), (2982, 6927053), (3479, 5937474), (6958, 2968737), (10437, 1979158), (20874, 989579)]