16724980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13709}}^1$

素因数の和:13779

約数の個数: 24

約数和(自身を含む): 35700840

約数和(自身を除く): 18975860

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 13709, 27418, 54836, 68545, 137090, 274180, 836249, 1672498, 3344996, 4181245, 8362490, 16724980]

約数ペア:

[(1, 16724980), (2, 8362490), (4, 4181245), (5, 3344996), (10, 1672498), (20, 836249), (61, 274180), (122, 137090), (244, 68545), (305, 54836), (610, 27418), (1220, 13709)]