20100529044

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{229}}^1\times {\mathrm{21577}}^1$

素因数の和:21929

約数の個数: 72

約数和(自身を含む): 51485539560

約数和(自身を除く): 31385010516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 226, 229, 339, 452, 458, 678, 687, 916, 1017, 1356, 1374, 2034, 2061, 2748, 4068, 4122, 8244, 21577, 25877, 43154, 51754, 64731, 77631, 86308, 103508, 129462, 155262, 194193, 232893, 258924, 310524, 388386, 465786, 776772, 931572, 2438201, 4876402, 4941133, 7314603, 9752804, 9882266, 14629206, 14823399, 19764532, 21943809, 29258412, 29646798, 43887618, 44470197, 59293596, 87775236, 88940394, 177880788, 558348029, 1116696058, 1675044087, 2233392116, 3350088174, 5025132261, 6700176348, 10050264522, 20100529044]

約数ペア:

[(1, 20100529044), (2, 10050264522), (3, 6700176348), (4, 5025132261), (6, 3350088174), (9, 2233392116), (12, 1675044087), (18, 1116696058), (36, 558348029), (113, 177880788), (226, 88940394), (229, 87775236), (339, 59293596), (452, 44470197), (458, 43887618), (678, 29646798), (687, 29258412), (916, 21943809), (1017, 19764532), (1356, 14823399), (1374, 14629206), (2034, 9882266), (2061, 9752804), (2748, 7314603), (4068, 4941133), (4122, 4876402), (8244, 2438201), (21577, 931572), (25877, 776772), (43154, 465786), (51754, 388386), (64731, 310524), (77631, 258924), (86308, 232893), (103508, 194193), (129462, 155262)]