20707112

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2309}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 41580000

約数和(自身を除く): 20872888

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 152, 236, 472, 1121, 2242, 2309, 4484, 4618, 8968, 9236, 18472, 43871, 87742, 136231, 175484, 272462, 350968, 544924, 1089848, 2588389, 5176778, 10353556, 20707112]

約数ペア:

[(1, 20707112), (2, 10353556), (4, 5176778), (8, 2588389), (19, 1089848), (38, 544924), (59, 350968), (76, 272462), (118, 175484), (152, 136231), (236, 87742), (472, 43871), (1121, 18472), (2242, 9236), (2309, 8968), (4484, 4618)]