20688738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2579}}^1$

素因数の和:2782

約数の個数: 32

約数和(自身を含む): 47554560

約数和(自身を除く): 26865822

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 191, 382, 573, 1146, 1337, 2579, 2674, 4011, 5158, 7737, 8022, 15474, 18053, 36106, 54159, 108318, 492589, 985178, 1477767, 2955534, 3448123, 6896246, 10344369, 20688738]

約数ペア:

[(1, 20688738), (2, 10344369), (3, 6896246), (6, 3448123), (7, 2955534), (14, 1477767), (21, 985178), (42, 492589), (191, 108318), (382, 54159), (573, 36106), (1146, 18053), (1337, 15474), (2579, 8022), (2674, 7737), (4011, 5158)]