20702910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3989}}^1$

素因数の和:4172

約数の個数: 32

約数和(自身を含む): 49986720

約数和(自身を除く): 29283810

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 173, 346, 519, 865, 1038, 1730, 2595, 3989, 5190, 7978, 11967, 19945, 23934, 39890, 59835, 119670, 690097, 1380194, 2070291, 3450485, 4140582, 6900970, 10351455, 20702910]

約数ペア:

[(1, 20702910), (2, 10351455), (3, 6900970), (5, 4140582), (6, 3450485), (10, 2070291), (15, 1380194), (30, 690097), (173, 119670), (346, 59835), (519, 39890), (865, 23934), (1038, 19945), (1730, 11967), (2595, 7978), (3989, 5190)]