20020713705

素因数分解:

$3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1\times {\mathrm{1447}}^1$

素因数の和:1860

約数の個数: 80

約数和(自身を含む): 36331130880

約数和(自身を除く): 16310417175

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 127, 135, 269, 381, 405, 635, 807, 1143, 1345, 1447, 1905, 2421, 3429, 4035, 4341, 5715, 7235, 7263, 10287, 12105, 13023, 17145, 21705, 21789, 34163, 36315, 39069, 51435, 65115, 102489, 108945, 117207, 170815, 183769, 195345, 307467, 389243, 512445, 551307, 586035, 918845, 922401, 1167729, 1537335, 1653921, 1946215, 2756535, 2767203, 3503187, 4612005, 4961763, 5838645, 8269605, 10509561, 13836015, 14885289, 17515935, 24808815, 31528683, 49433861, 52547805, 74426445, 148301583, 157643415, 247169305, 444904749, 741507915, 1334714247, 2224523745, 4004142741, 6673571235, 20020713705]

約数ペア:

[(1, 20020713705), (3, 6673571235), (5, 4004142741), (9, 2224523745), (15, 1334714247), (27, 741507915), (45, 444904749), (81, 247169305), (127, 157643415), (135, 148301583), (269, 74426445), (381, 52547805), (405, 49433861), (635, 31528683), (807, 24808815), (1143, 17515935), (1345, 14885289), (1447, 13836015), (1905, 10509561), (2421, 8269605), (3429, 5838645), (4035, 4961763), (4341, 4612005), (5715, 3503187), (7235, 2767203), (7263, 2756535), (10287, 1946215), (12105, 1653921), (13023, 1537335), (17145, 1167729), (21705, 922401), (21789, 918845), (34163, 586035), (36315, 551307), (39069, 512445), (51435, 389243), (65115, 307467), (102489, 195345), (108945, 183769), (117207, 170815)]