20407665852

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{163}}^1\times {\mathrm{18401}}^1$

素因数の和:18590

約数の個数: 144

約数和(自身を含む): 61517444352

約数和(自身を除く): 41109778500

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 163, 189, 243, 252, 324, 326, 378, 486, 489, 567, 652, 756, 972, 978, 1134, 1141, 1467, 1701, 1956, 2268, 2282, 2934, 3402, 3423, 4401, 4564, 5868, 6804, 6846, 8802, 10269, 13203, 13692, 17604, 18401, 20538, 26406, 30807, 36802, 39609, 41076, 52812, 55203, 61614, 73604, 79218, 92421, 110406, 123228, 128807, 158436, 165609, 184842, 220812, 257614, 277263, 331218, 369684, 386421, 496827, 515228, 554526, 662436, 772842, 993654, 1109052, 1159263, 1490481, 1545684, 1987308, 2318526, 2980962, 2999363, 3477789, 4471443, 4637052, 5961924, 5998726, 6955578, 8942886, 8998089, 10433367, 11997452, 13911156, 17885772, 17996178, 20866734, 20995541, 26994267, 31300101, 35992356, 41733468, 41991082, 53988534, 62600202, 62986623, 80982801, 83982164, 107977068, 125200404, 125973246, 161965602, 188959869, 242948403, 251946492, 323931204, 377919738, 485896806, 566879607, 728845209, 755839476, 971793612, 1133759214, 1457690418, 1700638821, 2267518428, 2915380836, 3401277642, 5101916463, 6802555284, 10203832926, 20407665852]

約数ペア:

[(1, 20407665852), (2, 10203832926), (3, 6802555284), (4, 5101916463), (6, 3401277642), (7, 2915380836), (9, 2267518428), (12, 1700638821), (14, 1457690418), (18, 1133759214), (21, 971793612), (27, 755839476), (28, 728845209), (36, 566879607), (42, 485896806), (54, 377919738), (63, 323931204), (81, 251946492), (84, 242948403), (108, 188959869), (126, 161965602), (162, 125973246), (163, 125200404), (189, 107977068), (243, 83982164), (252, 80982801), (324, 62986623), (326, 62600202), (378, 53988534), (486, 41991082), (489, 41733468), (567, 35992356), (652, 31300101), (756, 26994267), (972, 20995541), (978, 20866734), (1134, 17996178), (1141, 17885772), (1467, 13911156), (1701, 11997452), (1956, 10433367), (2268, 8998089), (2282, 8942886), (2934, 6955578), (3402, 5998726), (3423, 5961924), (4401, 4637052), (4564, 4471443), (5868, 3477789), (6804, 2999363), (6846, 2980962), (8802, 2318526), (10269, 1987308), (13203, 1545684), (13692, 1490481), (17604, 1159263), (18401, 1109052), (20538, 993654), (26406, 772842), (30807, 662436), (36802, 554526), (39609, 515228), (41076, 496827), (52812, 386421), (55203, 369684), (61614, 331218), (73604, 277263), (79218, 257614), (92421, 220812), (110406, 184842), (123228, 165609), (128807, 158436)]