20563380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4967}}^1$

素因数の和:5005

約数の個数: 72

約数和(自身を含む): 65100672

約数和(自身を除く): 44537292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4967, 9934, 14901, 19868, 24835, 29802, 44703, 49670, 59604, 74505, 89406, 99340, 114241, 149010, 178812, 223515, 228482, 298020, 342723, 447030, 456964, 571205, 685446, 894060, 1028169, 1142410, 1370892, 1713615, 2056338, 2284820, 3427230, 4112676, 5140845, 6854460, 10281690, 20563380]

約数ペア:

[(1, 20563380), (2, 10281690), (3, 6854460), (4, 5140845), (5, 4112676), (6, 3427230), (9, 2284820), (10, 2056338), (12, 1713615), (15, 1370892), (18, 1142410), (20, 1028169), (23, 894060), (30, 685446), (36, 571205), (45, 456964), (46, 447030), (60, 342723), (69, 298020), (90, 228482), (92, 223515), (115, 178812), (138, 149010), (180, 114241), (207, 99340), (230, 89406), (276, 74505), (345, 59604), (414, 49670), (460, 44703), (690, 29802), (828, 24835), (1035, 19868), (1380, 14901), (2070, 9934), (4140, 4967)]