20905452

素因数分解:

$2^2\times 3^4\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:700

約数の個数: 60

約数和(自身を含む): 55231176

約数和(自身を除く): 34325724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 113, 162, 226, 324, 339, 452, 571, 678, 1017, 1142, 1356, 1713, 2034, 2284, 3051, 3426, 4068, 5139, 6102, 6852, 9153, 10278, 12204, 15417, 18306, 20556, 30834, 36612, 46251, 61668, 64523, 92502, 129046, 185004, 193569, 258092, 387138, 580707, 774276, 1161414, 1742121, 2322828, 3484242, 5226363, 6968484, 10452726, 20905452]

約数ペア:

[(1, 20905452), (2, 10452726), (3, 6968484), (4, 5226363), (6, 3484242), (9, 2322828), (12, 1742121), (18, 1161414), (27, 774276), (36, 580707), (54, 387138), (81, 258092), (108, 193569), (113, 185004), (162, 129046), (226, 92502), (324, 64523), (339, 61668), (452, 46251), (571, 36612), (678, 30834), (1017, 20556), (1142, 18306), (1356, 15417), (1713, 12204), (2034, 10278), (2284, 9153), (3051, 6852), (3426, 6102), (4068, 5139)]