20162942810

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1188

約数の個数: 96

約数和(自身を含む): 39379996800

約数和(自身を除く): 19217053990

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 71, 142, 145, 155, 290, 310, 355, 710, 899, 961, 1019, 1798, 1922, 2038, 2059, 2201, 4118, 4402, 4495, 4805, 5095, 8990, 9610, 10190, 10295, 11005, 20590, 22010, 27869, 29551, 31589, 55738, 59102, 63178, 63829, 68231, 72349, 127658, 136462, 139345, 144698, 147755, 157945, 278690, 295510, 315890, 319145, 341155, 361745, 638290, 682310, 723490, 916081, 979259, 1832162, 1958518, 1978699, 2098121, 2242819, 3957398, 4196242, 4485638, 4580405, 4896295, 9160810, 9792590, 9893495, 10490605, 11214095, 19786990, 20981210, 22428190, 28398511, 56797022, 65041751, 69527389, 130083502, 139054778, 141992555, 283985110, 325208755, 347636945, 650417510, 695273890, 2016294281, 4032588562, 10081471405, 20162942810]

約数ペア:

[(1, 20162942810), (2, 10081471405), (5, 4032588562), (10, 2016294281), (29, 695273890), (31, 650417510), (58, 347636945), (62, 325208755), (71, 283985110), (142, 141992555), (145, 139054778), (155, 130083502), (290, 69527389), (310, 65041751), (355, 56797022), (710, 28398511), (899, 22428190), (961, 20981210), (1019, 19786990), (1798, 11214095), (1922, 10490605), (2038, 9893495), (2059, 9792590), (2201, 9160810), (4118, 4896295), (4402, 4580405), (4495, 4485638), (4805, 4196242), (5095, 3957398), (8990, 2242819), (9610, 2098121), (10190, 1978699), (10295, 1958518), (11005, 1832162), (20590, 979259), (22010, 916081), (27869, 723490), (29551, 682310), (31589, 638290), (55738, 361745), (59102, 341155), (63178, 319145), (63829, 315890), (68231, 295510), (72349, 278690), (127658, 157945), (136462, 147755), (139345, 144698)]