20583070

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1096

約数の個数: 32

約数和(自身を含む): 38854656

約数和(自身を除く): 18271586

約数列:

[1, 2, 5, 10, 31, 62, 67, 134, 155, 310, 335, 670, 991, 1982, 2077, 4154, 4955, 9910, 10385, 20770, 30721, 61442, 66397, 132794, 153605, 307210, 331985, 663970, 2058307, 4116614, 10291535, 20583070]

約数ペア:

[(1, 20583070), (2, 10291535), (5, 4116614), (10, 2058307), (31, 663970), (62, 331985), (67, 307210), (134, 153605), (155, 132794), (310, 66397), (335, 61442), (670, 30721), (991, 20770), (1982, 10385), (2077, 9910), (4154, 4955)]