20783458

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{1979}}^1$

素因数の和:2129

約数の個数: 16

約数和(自身を含む): 32076000

約数和(自身を除く): 11292542

約数列:

[1, 2, 59, 89, 118, 178, 1979, 3958, 5251, 10502, 116761, 176131, 233522, 352262, 10391729, 20783458]

約数ペア:

[(1, 20783458), (2, 10391729), (59, 352262), (89, 233522), (118, 176131), (178, 116761), (1979, 10502), (3958, 5251)]