20081431874

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{4229}}^1$

素因数の和:4467

約数の個数: 64

約数和(自身を含む): 36108633600

約数和(自身を除く): 16027201726

約数列:

[1, 2, 7, 14, 37, 74, 89, 103, 178, 206, 259, 518, 623, 721, 1246, 1442, 3293, 3811, 4229, 6586, 7622, 8458, 9167, 18334, 23051, 26677, 29603, 46102, 53354, 59206, 64169, 128338, 156473, 312946, 339179, 376381, 435587, 678358, 752762, 871174, 1095311, 2190622, 2374253, 2634667, 3049109, 4748506, 5269334, 6098218, 13926097, 16116719, 27852194, 32233438, 38767243, 77534486, 97482679, 112817033, 194965358, 225634066, 271370701, 542741402, 1434387991, 2868775982, 10040715937, 20081431874]

約数ペア:

[(1, 20081431874), (2, 10040715937), (7, 2868775982), (14, 1434387991), (37, 542741402), (74, 271370701), (89, 225634066), (103, 194965358), (178, 112817033), (206, 97482679), (259, 77534486), (518, 38767243), (623, 32233438), (721, 27852194), (1246, 16116719), (1442, 13926097), (3293, 6098218), (3811, 5269334), (4229, 4748506), (6586, 3049109), (7622, 2634667), (8458, 2374253), (9167, 2190622), (18334, 1095311), (23051, 871174), (26677, 752762), (29603, 678358), (46102, 435587), (53354, 376381), (59206, 339179), (64169, 312946), (128338, 156473)]