20404294872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4253}}^1\times {\mathrm{15377}}^1$

素因数の和:19652

約数の個数: 64

約数和(自身を含む): 54951130080

約数和(自身を除く): 34546835208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 4253, 8506, 12759, 15377, 17012, 25518, 30754, 34024, 46131, 51036, 55289, 61508, 92262, 102072, 110578, 123016, 165867, 184524, 199901, 221156, 331734, 369048, 399802, 442312, 599703, 663468, 799604, 1199406, 1326936, 1599208, 2398812, 4797624, 65398381, 130796762, 196195143, 261593524, 392390286, 523187048, 784780572, 850178953, 1569561144, 1700357906, 2550536859, 3400715812, 5101073718, 6801431624, 10202147436, 20404294872]

約数ペア:

[(1, 20404294872), (2, 10202147436), (3, 6801431624), (4, 5101073718), (6, 3400715812), (8, 2550536859), (12, 1700357906), (13, 1569561144), (24, 850178953), (26, 784780572), (39, 523187048), (52, 392390286), (78, 261593524), (104, 196195143), (156, 130796762), (312, 65398381), (4253, 4797624), (8506, 2398812), (12759, 1599208), (15377, 1326936), (17012, 1199406), (25518, 799604), (30754, 663468), (34024, 599703), (46131, 442312), (51036, 399802), (55289, 369048), (61508, 331734), (92262, 221156), (102072, 199901), (110578, 184524), (123016, 165867)]