20953982

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 16059778

約数列:

[1, 2, 7, 14, 67, 89, 134, 178, 251, 469, 502, 623, 938, 1246, 1757, 3514, 5963, 11926, 16817, 22339, 33634, 41741, 44678, 83482, 117719, 156373, 235438, 312746, 1496713, 2993426, 10476991, 20953982]

約数ペア:

[(1, 20953982), (2, 10476991), (7, 2993426), (14, 1496713), (67, 312746), (89, 235438), (134, 156373), (178, 117719), (251, 83482), (469, 44678), (502, 41741), (623, 33634), (938, 22339), (1246, 16817), (1757, 11926), (3514, 5963)]