20371015

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 30976992

約数和(自身を除く): 10605977

約数列:

[1, 5, 7, 17, 35, 49, 67, 73, 85, 119, 245, 335, 365, 469, 511, 595, 833, 1139, 1241, 2345, 2555, 3283, 3577, 4165, 4891, 5695, 6205, 7973, 8687, 16415, 17885, 24455, 34237, 39865, 43435, 55811, 60809, 83147, 171185, 239659, 279055, 304045, 415735, 582029, 1198295, 2910145, 4074203, 20371015]

約数ペア:

[(1, 20371015), (5, 4074203), (7, 2910145), (17, 1198295), (35, 582029), (49, 415735), (67, 304045), (73, 279055), (85, 239659), (119, 171185), (245, 83147), (335, 60809), (365, 55811), (469, 43435), (511, 39865), (595, 34237), (833, 24455), (1139, 17885), (1241, 16415), (2345, 8687), (2555, 7973), (3283, 6205), (3577, 5695), (4165, 4891)]