20429952

素因数分解:

$2^7\times 3^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 55006560

約数和(自身を除く): 34576608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 83, 96, 128, 166, 192, 249, 332, 384, 498, 641, 664, 996, 1282, 1328, 1923, 1992, 2564, 2656, 3846, 3984, 5128, 5312, 7692, 7968, 10256, 10624, 15384, 15936, 20512, 30768, 31872, 41024, 53203, 61536, 82048, 106406, 123072, 159609, 212812, 246144, 319218, 425624, 638436, 851248, 1276872, 1702496, 2553744, 3404992, 5107488, 6809984, 10214976, 20429952]

約数ペア:

[(1, 20429952), (2, 10214976), (3, 6809984), (4, 5107488), (6, 3404992), (8, 2553744), (12, 1702496), (16, 1276872), (24, 851248), (32, 638436), (48, 425624), (64, 319218), (83, 246144), (96, 212812), (128, 159609), (166, 123072), (192, 106406), (249, 82048), (332, 61536), (384, 53203), (498, 41024), (641, 31872), (664, 30768), (996, 20512), (1282, 15936), (1328, 15384), (1923, 10624), (1992, 10256), (2564, 7968), (2656, 7692), (3846, 5312), (3984, 5128)]