20154564316

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1240739}}^1$

素因数の和:1240905

約数の個数: 24

約数和(自身を含む): 36686200320

約数和(自身を除く): 16531636004

約数列:

[1, 2, 4, 31, 62, 124, 131, 262, 524, 4061, 8122, 16244, 1240739, 2481478, 4962956, 38462909, 76925818, 153851636, 162536809, 325073618, 650147236, 5038641079, 10077282158, 20154564316]

約数ペア:

[(1, 20154564316), (2, 10077282158), (4, 5038641079), (31, 650147236), (62, 325073618), (124, 162536809), (131, 153851636), (262, 76925818), (524, 38462909), (4061, 4962956), (8122, 2481478), (16244, 1240739)]