20194400

素因数分解:

$2^5\times 5^2\times {\mathrm{25243}}^1$

素因数の和:25263

約数の個数: 36

約数和(自身を含む): 49301532

約数和(自身を除く): 29107132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25243, 50486, 100972, 126215, 201944, 252430, 403888, 504860, 631075, 807776, 1009720, 1262150, 2019440, 2524300, 4038880, 5048600, 10097200, 20194400]

約数ペア:

[(1, 20194400), (2, 10097200), (4, 5048600), (5, 4038880), (8, 2524300), (10, 2019440), (16, 1262150), (20, 1009720), (25, 807776), (32, 631075), (40, 504860), (50, 403888), (80, 252430), (100, 201944), (160, 126215), (200, 100972), (400, 50486), (800, 25243)]