20055770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12457}}^1$

素因数の和:12494

約数の個数: 32

約数和(自身を含む): 43054848

約数和(自身を除く): 22999078

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12457, 24914, 62285, 87199, 124570, 174398, 286511, 435995, 573022, 871990, 1432555, 2005577, 2865110, 4011154, 10027885, 20055770]

約数ペア:

[(1, 20055770), (2, 10027885), (5, 4011154), (7, 2865110), (10, 2005577), (14, 1432555), (23, 871990), (35, 573022), (46, 435995), (70, 286511), (115, 174398), (161, 124570), (230, 87199), (322, 62285), (805, 24914), (1610, 12457)]