20663200

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1166

約数の個数: 72

約数和(自身を含む): 52684128

約数和(自身を除く): 32020928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 160, 184, 200, 230, 368, 400, 460, 575, 736, 800, 920, 1123, 1150, 1840, 2246, 2300, 3680, 4492, 4600, 5615, 8984, 9200, 11230, 17968, 18400, 22460, 25829, 28075, 35936, 44920, 51658, 56150, 89840, 103316, 112300, 129145, 179680, 206632, 224600, 258290, 413264, 449200, 516580, 645725, 826528, 898400, 1033160, 1291450, 2066320, 2582900, 4132640, 5165800, 10331600, 20663200]

約数ペア:

[(1, 20663200), (2, 10331600), (4, 5165800), (5, 4132640), (8, 2582900), (10, 2066320), (16, 1291450), (20, 1033160), (23, 898400), (25, 826528), (32, 645725), (40, 516580), (46, 449200), (50, 413264), (80, 258290), (92, 224600), (100, 206632), (115, 179680), (160, 129145), (184, 112300), (200, 103316), (230, 89840), (368, 56150), (400, 51658), (460, 44920), (575, 35936), (736, 28075), (800, 25829), (920, 22460), (1123, 18400), (1150, 17968), (1840, 11230), (2246, 9200), (2300, 8984), (3680, 5615), (4492, 4600)]