20559888

素因数分解:

$2^4\times 3^2\times {\mathrm{67}}^1\times {\mathrm{2131}}^1$

素因数の和:2212

約数の個数: 60

約数和(自身を含む): 58425328

約数和(自身を除く): 37865440

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 67, 72, 134, 144, 201, 268, 402, 536, 603, 804, 1072, 1206, 1608, 2131, 2412, 3216, 4262, 4824, 6393, 8524, 9648, 12786, 17048, 19179, 25572, 34096, 38358, 51144, 76716, 102288, 142777, 153432, 285554, 306864, 428331, 571108, 856662, 1142216, 1284993, 1713324, 2284432, 2569986, 3426648, 5139972, 6853296, 10279944, 20559888]

約数ペア:

[(1, 20559888), (2, 10279944), (3, 6853296), (4, 5139972), (6, 3426648), (8, 2569986), (9, 2284432), (12, 1713324), (16, 1284993), (18, 1142216), (24, 856662), (36, 571108), (48, 428331), (67, 306864), (72, 285554), (134, 153432), (144, 142777), (201, 102288), (268, 76716), (402, 51144), (536, 38358), (603, 34096), (804, 25572), (1072, 19179), (1206, 17048), (1608, 12786), (2131, 9648), (2412, 8524), (3216, 6393), (4262, 4824)]