20266760913

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1\times {\mathrm{1873}}^1$

素因数の和:2526

約数の個数: 64

約数和(自身を含む): 33275043840

約数和(自身を除く): 13008282927

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 577, 893, 987, 1731, 1873, 2679, 4039, 5619, 6251, 10963, 12117, 13111, 18753, 27119, 32889, 35587, 39333, 76741, 81357, 88031, 106761, 189833, 230223, 249109, 264093, 515261, 569499, 616217, 747327, 1080721, 1545783, 1672589, 1848651, 3242163, 3606827, 5017767, 7565047, 10820481, 11708123, 20533699, 22695141, 35124369, 50793887, 61601097, 143735893, 152381661, 355557209, 431207679, 965083853, 1066671627, 2895251559, 6755586971, 20266760913]

約数ペア:

[(1, 20266760913), (3, 6755586971), (7, 2895251559), (19, 1066671627), (21, 965083853), (47, 431207679), (57, 355557209), (133, 152381661), (141, 143735893), (329, 61601097), (399, 50793887), (577, 35124369), (893, 22695141), (987, 20533699), (1731, 11708123), (1873, 10820481), (2679, 7565047), (4039, 5017767), (5619, 3606827), (6251, 3242163), (10963, 1848651), (12117, 1672589), (13111, 1545783), (18753, 1080721), (27119, 747327), (32889, 616217), (35587, 569499), (39333, 515261), (76741, 264093), (81357, 249109), (88031, 230223), (106761, 189833)]