20123235615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1459}}^1\times {\mathrm{131357}}^1$

素因数の和:132831

約数の個数: 32

約数和(自身を含む): 36822274560

約数和(自身を除く): 16699038945

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1459, 4377, 7295, 10213, 21885, 30639, 51065, 131357, 153195, 394071, 656785, 919499, 1970355, 2758497, 4597495, 13792485, 191649863, 574949589, 958249315, 1341549041, 2874747945, 4024647123, 6707745205, 20123235615]

約数ペア:

[(1, 20123235615), (3, 6707745205), (5, 4024647123), (7, 2874747945), (15, 1341549041), (21, 958249315), (35, 574949589), (105, 191649863), (1459, 13792485), (4377, 4597495), (7295, 2758497), (10213, 1970355), (21885, 919499), (30639, 656785), (51065, 394071), (131357, 153195)]