20402784

素因数分解:

$2^5\times 3^2\times {\mathrm{70843}}^1$

素因数の和:70859

約数の個数: 36

約数和(自身を含む): 58021236

約数和(自身を除く): 37618452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 70843, 141686, 212529, 283372, 425058, 566744, 637587, 850116, 1133488, 1275174, 1700232, 2266976, 2550348, 3400464, 5100696, 6800928, 10201392, 20402784]

約数ペア:

[(1, 20402784), (2, 10201392), (3, 6800928), (4, 5100696), (6, 3400464), (8, 2550348), (9, 2266976), (12, 1700232), (16, 1275174), (18, 1133488), (24, 850116), (32, 637587), (36, 566744), (48, 425058), (72, 283372), (96, 212529), (144, 141686), (288, 70843)]