220147460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{846721}}^1$

素因数の和:846743

約数の個数: 24

約数和(自身を含む): 497872536

約数和(自身を除く): 277725076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 846721, 1693442, 3386884, 4233605, 8467210, 11007373, 16934420, 22014746, 44029492, 55036865, 110073730, 220147460]

約数ペア:

[(1, 220147460), (2, 110073730), (4, 55036865), (5, 44029492), (10, 22014746), (13, 16934420), (20, 11007373), (26, 8467210), (52, 4233605), (65, 3386884), (130, 1693442), (260, 846721)]