20210573625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:552

約数の個数: 128

約数和(自身を含む): 37357092864

約数和(自身を除く): 17146519239

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 127, 165, 173, 223, 275, 375, 381, 519, 635, 669, 825, 865, 1115, 1375, 1397, 1903, 1905, 2453, 2595, 3175, 3345, 4125, 4191, 4325, 5575, 5709, 6985, 7359, 9515, 9525, 12265, 12975, 15875, 16725, 20955, 21625, 21971, 27875, 28321, 28545, 34925, 36795, 38579, 47575, 47625, 61325, 64875, 65913, 83625, 84963, 104775, 109855, 115737, 141605, 142725, 174625, 183975, 192895, 237875, 241681, 306625, 311531, 329565, 424369, 424815, 523875, 549275, 578685, 708025, 713625, 725043, 919875, 934593, 964475, 1208405, 1273107, 1557655, 1647825, 2121845, 2124075, 2746375, 2893425, 3540125, 3625215, 4672965, 4822375, 4899533, 6042025, 6365535, 7788275, 8239125, 10609225, 10620375, 14467125, 14698599, 18126075, 23364825, 24497665, 30210125, 31827675, 38941375, 53046125, 53894863, 73492995, 90630375, 116824125, 122488325, 159138375, 161684589, 269474315, 367464975, 612441625, 808422945, 1347371575, 1837324875, 4042114725, 6736857875, 20210573625]

約数ペア:

[(1, 20210573625), (3, 6736857875), (5, 4042114725), (11, 1837324875), (15, 1347371575), (25, 808422945), (33, 612441625), (55, 367464975), (75, 269474315), (125, 161684589), (127, 159138375), (165, 122488325), (173, 116824125), (223, 90630375), (275, 73492995), (375, 53894863), (381, 53046125), (519, 38941375), (635, 31827675), (669, 30210125), (825, 24497665), (865, 23364825), (1115, 18126075), (1375, 14698599), (1397, 14467125), (1903, 10620375), (1905, 10609225), (2453, 8239125), (2595, 7788275), (3175, 6365535), (3345, 6042025), (4125, 4899533), (4191, 4822375), (4325, 4672965), (5575, 3625215), (5709, 3540125), (6985, 2893425), (7359, 2746375), (9515, 2124075), (9525, 2121845), (12265, 1647825), (12975, 1557655), (15875, 1273107), (16725, 1208405), (20955, 964475), (21625, 934593), (21971, 919875), (27875, 725043), (28321, 713625), (28545, 708025), (34925, 578685), (36795, 549275), (38579, 523875), (47575, 424815), (47625, 424369), (61325, 329565), (64875, 311531), (65913, 306625), (83625, 241681), (84963, 237875), (104775, 192895), (109855, 183975), (115737, 174625), (141605, 142725)]