20041170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^2$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 49284288

約数和(自身を除く): 29243118

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 97, 142, 194, 213, 291, 355, 426, 485, 582, 710, 970, 1065, 1455, 2130, 2910, 6887, 9409, 13774, 18818, 20661, 28227, 34435, 41322, 47045, 56454, 68870, 94090, 103305, 141135, 206610, 282270, 668039, 1336078, 2004117, 3340195, 4008234, 6680390, 10020585, 20041170]

約数ペア:

[(1, 20041170), (2, 10020585), (3, 6680390), (5, 4008234), (6, 3340195), (10, 2004117), (15, 1336078), (30, 668039), (71, 282270), (97, 206610), (142, 141135), (194, 103305), (213, 94090), (291, 68870), (355, 56454), (426, 47045), (485, 41322), (582, 34435), (710, 28227), (970, 20661), (1065, 18818), (1455, 13774), (2130, 9409), (2910, 6887)]