12654820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20411}}^1$

素因数の和:20451

約数の個数: 24

約数和(自身を含む): 27433728

約数和(自身を除く): 14778908

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 20411, 40822, 81644, 102055, 204110, 408220, 632741, 1265482, 2530964, 3163705, 6327410, 12654820]

約数ペア:

[(1, 12654820), (2, 6327410), (4, 3163705), (5, 2530964), (10, 1265482), (20, 632741), (31, 408220), (62, 204110), (124, 102055), (155, 81644), (310, 40822), (620, 20411)]