20541486

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:769

約数の個数: 48

約数和(自身を含む): 48304080

約数和(自身を除く): 27762594

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 109, 147, 218, 294, 327, 641, 654, 763, 1282, 1526, 1923, 2289, 3846, 4487, 4578, 5341, 8974, 10682, 13461, 16023, 26922, 31409, 32046, 62818, 69869, 94227, 139738, 188454, 209607, 419214, 489083, 978166, 1467249, 2934498, 3423581, 6847162, 10270743, 20541486]

約数ペア:

[(1, 20541486), (2, 10270743), (3, 6847162), (6, 3423581), (7, 2934498), (14, 1467249), (21, 978166), (42, 489083), (49, 419214), (98, 209607), (109, 188454), (147, 139738), (218, 94227), (294, 69869), (327, 62818), (641, 32046), (654, 31409), (763, 26922), (1282, 16023), (1526, 13461), (1923, 10682), (2289, 8974), (3846, 5341), (4487, 4578)]