20957178

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{10243}}^1$

素因数の和:10290

約数の個数: 32

約数和(自身を含む): 47204352

約数和(自身を除く): 26247174

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 186, 341, 682, 1023, 2046, 10243, 20486, 30729, 61458, 112673, 225346, 317533, 338019, 635066, 676038, 952599, 1905198, 3492863, 6985726, 10478589, 20957178]

約数ペア:

[(1, 20957178), (2, 10478589), (3, 6985726), (6, 3492863), (11, 1905198), (22, 952599), (31, 676038), (33, 635066), (62, 338019), (66, 317533), (93, 225346), (186, 112673), (341, 61458), (682, 30729), (1023, 20486), (2046, 10243)]