20939200

素因数分解:

$2^6\times 5^2\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:614

約数の個数: 84

約数和(自身を含む): 53858160

約数和(自身を除く): 32918960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 160, 184, 200, 230, 320, 368, 400, 460, 569, 575, 736, 800, 920, 1138, 1150, 1472, 1600, 1840, 2276, 2300, 2845, 3680, 4552, 4600, 5690, 7360, 9104, 9200, 11380, 13087, 14225, 18208, 18400, 22760, 26174, 28450, 36416, 36800, 45520, 52348, 56900, 65435, 91040, 104696, 113800, 130870, 182080, 209392, 227600, 261740, 327175, 418784, 455200, 523480, 654350, 837568, 910400, 1046960, 1308700, 2093920, 2617400, 4187840, 5234800, 10469600, 20939200]

約数ペア:

[(1, 20939200), (2, 10469600), (4, 5234800), (5, 4187840), (8, 2617400), (10, 2093920), (16, 1308700), (20, 1046960), (23, 910400), (25, 837568), (32, 654350), (40, 523480), (46, 455200), (50, 418784), (64, 327175), (80, 261740), (92, 227600), (100, 209392), (115, 182080), (160, 130870), (184, 113800), (200, 104696), (230, 91040), (320, 65435), (368, 56900), (400, 52348), (460, 45520), (569, 36800), (575, 36416), (736, 28450), (800, 26174), (920, 22760), (1138, 18400), (1150, 18208), (1472, 14225), (1600, 13087), (1840, 11380), (2276, 9200), (2300, 9104), (2845, 7360), (3680, 5690), (4552, 4600)]