20439367636

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1\times {\mathrm{439}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 36368640000

約数和(自身を除く): 15929272364

約数列:

[1, 2, 4, 149, 191, 298, 382, 409, 439, 596, 764, 818, 878, 1636, 1756, 28459, 56918, 60941, 65411, 78119, 83849, 113836, 121882, 130822, 156238, 167698, 179551, 243764, 261644, 312476, 335396, 359102, 718204, 11639731, 12493501, 23279462, 24987002, 26753099, 34294241, 46558924, 49974004, 53506198, 68588482, 107012396, 137176964, 5109841909, 10219683818, 20439367636]

約数ペア:

[(1, 20439367636), (2, 10219683818), (4, 5109841909), (149, 137176964), (191, 107012396), (298, 68588482), (382, 53506198), (409, 49974004), (439, 46558924), (596, 34294241), (764, 26753099), (818, 24987002), (878, 23279462), (1636, 12493501), (1756, 11639731), (28459, 718204), (56918, 359102), (60941, 335396), (65411, 312476), (78119, 261644), (83849, 243764), (113836, 179551), (121882, 167698), (130822, 156238)]