16215980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73709}}^1$

素因数の和:73729

約数の個数: 24

約数和(自身を含む): 37149840

約数和(自身を除く): 20933860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 73709, 147418, 294836, 368545, 737090, 810799, 1474180, 1621598, 3243196, 4053995, 8107990, 16215980]

約数ペア:

[(1, 16215980), (2, 8107990), (4, 4053995), (5, 3243196), (10, 1621598), (11, 1474180), (20, 810799), (22, 737090), (44, 368545), (55, 294836), (110, 147418), (220, 73709)]