20631345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8543}}^1$

素因数の和:8581

約数の個数: 32

約数和(自身を含む): 39370752

約数和(自身を除く): 18739407

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8543, 25629, 42715, 59801, 128145, 179403, 196489, 299005, 589467, 897015, 982445, 1375423, 2947335, 4126269, 6877115, 20631345]

約数ペア:

[(1, 20631345), (3, 6877115), (5, 4126269), (7, 2947335), (15, 1375423), (21, 982445), (23, 897015), (35, 589467), (69, 299005), (105, 196489), (115, 179403), (161, 128145), (345, 59801), (483, 42715), (805, 25629), (2415, 8543)]