20259350

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 39693888

約数和(自身を除く): 19434538

約数列:

[1, 2, 5, 10, 25, 37, 47, 50, 74, 94, 185, 233, 235, 370, 466, 470, 925, 1165, 1175, 1739, 1850, 2330, 2350, 3478, 5825, 8621, 8695, 10951, 11650, 17242, 17390, 21902, 43105, 43475, 54755, 86210, 86950, 109510, 215525, 273775, 405187, 431050, 547550, 810374, 2025935, 4051870, 10129675, 20259350]

約数ペア:

[(1, 20259350), (2, 10129675), (5, 4051870), (10, 2025935), (25, 810374), (37, 547550), (47, 431050), (50, 405187), (74, 273775), (94, 215525), (185, 109510), (233, 86950), (235, 86210), (370, 54755), (466, 43475), (470, 43105), (925, 21902), (1165, 17390), (1175, 17242), (1739, 11650), (1850, 10951), (2330, 8695), (2350, 8621), (3478, 5825)]