20798961696

素因数分解:

$2^5\times 3^2\times {\mathrm{163}}^1\times {\mathrm{443059}}^1$

素因数の和:443238

約数の個数: 72

約数和(自身を含む): 59510046960

約数和(自身を除く): 38711085264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 163, 288, 326, 489, 652, 978, 1304, 1467, 1956, 2608, 2934, 3912, 5216, 5868, 7824, 11736, 15648, 23472, 46944, 443059, 886118, 1329177, 1772236, 2658354, 3544472, 3987531, 5316708, 7088944, 7975062, 10633416, 14177888, 15950124, 21266832, 31900248, 42533664, 63800496, 72218617, 127600992, 144437234, 216655851, 288874468, 433311702, 577748936, 649967553, 866623404, 1155497872, 1299935106, 1733246808, 2310995744, 2599870212, 3466493616, 5199740424, 6932987232, 10399480848, 20798961696]

約数ペア:

[(1, 20798961696), (2, 10399480848), (3, 6932987232), (4, 5199740424), (6, 3466493616), (8, 2599870212), (9, 2310995744), (12, 1733246808), (16, 1299935106), (18, 1155497872), (24, 866623404), (32, 649967553), (36, 577748936), (48, 433311702), (72, 288874468), (96, 216655851), (144, 144437234), (163, 127600992), (288, 72218617), (326, 63800496), (489, 42533664), (652, 31900248), (978, 21266832), (1304, 15950124), (1467, 14177888), (1956, 10633416), (2608, 7975062), (2934, 7088944), (3912, 5316708), (5216, 3987531), (5868, 3544472), (7824, 2658354), (11736, 1772236), (15648, 1329177), (23472, 886118), (46944, 443059)]