20884000

素因数分解:

$2^5\times 5^3\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 53778816

約数和(自身を除く): 32894816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 125, 160, 184, 200, 227, 230, 250, 368, 400, 454, 460, 500, 575, 736, 800, 908, 920, 1000, 1135, 1150, 1816, 1840, 2000, 2270, 2300, 2875, 3632, 3680, 4000, 4540, 4600, 5221, 5675, 5750, 7264, 9080, 9200, 10442, 11350, 11500, 18160, 18400, 20884, 22700, 23000, 26105, 28375, 36320, 41768, 45400, 46000, 52210, 56750, 83536, 90800, 92000, 104420, 113500, 130525, 167072, 181600, 208840, 227000, 261050, 417680, 454000, 522100, 652625, 835360, 908000, 1044200, 1305250, 2088400, 2610500, 4176800, 5221000, 10442000, 20884000]

約数ペア:

[(1, 20884000), (2, 10442000), (4, 5221000), (5, 4176800), (8, 2610500), (10, 2088400), (16, 1305250), (20, 1044200), (23, 908000), (25, 835360), (32, 652625), (40, 522100), (46, 454000), (50, 417680), (80, 261050), (92, 227000), (100, 208840), (115, 181600), (125, 167072), (160, 130525), (184, 113500), (200, 104420), (227, 92000), (230, 90800), (250, 83536), (368, 56750), (400, 52210), (454, 46000), (460, 45400), (500, 41768), (575, 36320), (736, 28375), (800, 26105), (908, 23000), (920, 22700), (1000, 20884), (1135, 18400), (1150, 18160), (1816, 11500), (1840, 11350), (2000, 10442), (2270, 9200), (2300, 9080), (2875, 7264), (3632, 5750), (3680, 5675), (4000, 5221), (4540, 4600)]