20128992

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^2$

素因数の和:280

約数の個数: 72

約数和(自身を含む): 57354696

約数和(自身を除く): 37225704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 127, 156, 208, 254, 312, 381, 416, 508, 624, 762, 1016, 1248, 1524, 1651, 2032, 3048, 3302, 4064, 4953, 6096, 6604, 9906, 12192, 13208, 16129, 19812, 26416, 32258, 39624, 48387, 52832, 64516, 79248, 96774, 129032, 158496, 193548, 209677, 258064, 387096, 419354, 516128, 629031, 774192, 838708, 1258062, 1548384, 1677416, 2516124, 3354832, 5032248, 6709664, 10064496, 20128992]

約数ペア:

[(1, 20128992), (2, 10064496), (3, 6709664), (4, 5032248), (6, 3354832), (8, 2516124), (12, 1677416), (13, 1548384), (16, 1258062), (24, 838708), (26, 774192), (32, 629031), (39, 516128), (48, 419354), (52, 387096), (78, 258064), (96, 209677), (104, 193548), (127, 158496), (156, 129032), (208, 96774), (254, 79248), (312, 64516), (381, 52832), (416, 48387), (508, 39624), (624, 32258), (762, 26416), (1016, 19812), (1248, 16129), (1524, 13208), (1651, 12192), (2032, 9906), (3048, 6604), (3302, 6096), (4064, 4953)]