20512695342

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1\times {\mathrm{751}}^1$

素因数の和:1585

約数の個数: 64

約数和(自身を含む): 42151753728

約数和(自身を除く): 21639058386

約数列:

[1, 2, 3, 6, 71, 97, 142, 194, 213, 291, 426, 582, 661, 751, 1322, 1502, 1983, 2253, 3966, 4506, 6887, 13774, 20661, 41322, 46931, 53321, 64117, 72847, 93862, 106642, 128234, 140793, 145694, 159963, 192351, 218541, 281586, 319926, 384702, 437082, 496411, 992822, 1489233, 2978466, 4552307, 5172137, 9104614, 10344274, 13656921, 15516411, 27313842, 31032822, 35245181, 48151867, 70490362, 96303734, 105735543, 144455601, 211471086, 288911202, 3418782557, 6837565114, 10256347671, 20512695342]

約数ペア:

[(1, 20512695342), (2, 10256347671), (3, 6837565114), (6, 3418782557), (71, 288911202), (97, 211471086), (142, 144455601), (194, 105735543), (213, 96303734), (291, 70490362), (426, 48151867), (582, 35245181), (661, 31032822), (751, 27313842), (1322, 15516411), (1502, 13656921), (1983, 10344274), (2253, 9104614), (3966, 5172137), (4506, 4552307), (6887, 2978466), (13774, 1489233), (20661, 992822), (41322, 496411), (46931, 437082), (53321, 384702), (64117, 319926), (72847, 281586), (93862, 218541), (106642, 192351), (128234, 159963), (140793, 145694)]