20838988

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{449}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 37573200

約数和(自身を除く): 16734212

約数列:

[1, 2, 4, 41, 82, 164, 283, 449, 566, 898, 1132, 1796, 11603, 18409, 23206, 36818, 46412, 73636, 127067, 254134, 508268, 5209747, 10419494, 20838988]

約数ペア:

[(1, 20838988), (2, 10419494), (4, 5209747), (41, 508268), (82, 254134), (164, 127067), (283, 73636), (449, 46412), (566, 36818), (898, 23206), (1132, 18409), (1796, 11603)]