20186301268

素因数分解:

$2^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{677}}^1\times {\mathrm{1021}}^1$

素因数の和:1865

約数の個数: 72

約数和(自身を含む): 41471022600

約数和(自身を除く): 21284721332

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 149, 196, 298, 596, 677, 1021, 1043, 1354, 2042, 2086, 2708, 4084, 4172, 4739, 7147, 7301, 9478, 14294, 14602, 18956, 28588, 29204, 33173, 50029, 66346, 100058, 100873, 132692, 152129, 200116, 201746, 304258, 403492, 608516, 691217, 706111, 1064903, 1382434, 1412222, 2129806, 2764868, 2824444, 4259612, 4838519, 4942777, 7454321, 9677038, 9885554, 14908642, 19354076, 19771108, 29817284, 33869633, 67739266, 102991333, 135478532, 205982666, 411965332, 720939331, 1441878662, 2883757324, 5046575317, 10093150634, 20186301268]

約数ペア:

[(1, 20186301268), (2, 10093150634), (4, 5046575317), (7, 2883757324), (14, 1441878662), (28, 720939331), (49, 411965332), (98, 205982666), (149, 135478532), (196, 102991333), (298, 67739266), (596, 33869633), (677, 29817284), (1021, 19771108), (1043, 19354076), (1354, 14908642), (2042, 9885554), (2086, 9677038), (2708, 7454321), (4084, 4942777), (4172, 4838519), (4739, 4259612), (7147, 2824444), (7301, 2764868), (9478, 2129806), (14294, 1412222), (14602, 1382434), (18956, 1064903), (28588, 706111), (29204, 691217), (33173, 608516), (50029, 403492), (66346, 304258), (100058, 201746), (100873, 200116), (132692, 152129)]