2020251015

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{1571}}^1$

素因数の和:1681

約数の個数: 72

約数和(自身を含む): 3802812624

約数和(自身を除く): 1782561609

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 85, 123, 153, 205, 255, 369, 615, 697, 765, 1571, 1681, 1845, 2091, 3485, 4713, 5043, 6273, 7855, 8405, 10455, 14139, 15129, 23565, 25215, 26707, 28577, 31365, 64411, 70695, 75645, 80121, 85731, 133535, 142885, 193233, 240363, 257193, 322055, 400605, 428655, 579699, 966165, 1094987, 1201815, 1285965, 2640851, 2898495, 3284961, 5474935, 7922553, 9854883, 13204255, 16424805, 23767659, 39612765, 44894467, 49274415, 118838295, 134683401, 224472335, 404050203, 673417005, 2020251015]

約数ペア:

[(1, 2020251015), (3, 673417005), (5, 404050203), (9, 224472335), (15, 134683401), (17, 118838295), (41, 49274415), (45, 44894467), (51, 39612765), (85, 23767659), (123, 16424805), (153, 13204255), (205, 9854883), (255, 7922553), (369, 5474935), (615, 3284961), (697, 2898495), (765, 2640851), (1571, 1285965), (1681, 1201815), (1845, 1094987), (2091, 966165), (3485, 579699), (4713, 428655), (5043, 400605), (6273, 322055), (7855, 257193), (8405, 240363), (10455, 193233), (14139, 142885), (15129, 133535), (23565, 85731), (25215, 80121), (26707, 75645), (28577, 70695), (31365, 64411)]