20433350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{739}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 44044800

約数和(自身を除く): 23611450

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 79, 158, 175, 350, 395, 553, 739, 790, 1106, 1478, 1975, 2765, 3695, 3950, 5173, 5530, 7390, 10346, 13825, 18475, 25865, 27650, 36950, 51730, 58381, 116762, 129325, 258650, 291905, 408667, 583810, 817334, 1459525, 2043335, 2919050, 4086670, 10216675, 20433350]

約数ペア:

[(1, 20433350), (2, 10216675), (5, 4086670), (7, 2919050), (10, 2043335), (14, 1459525), (25, 817334), (35, 583810), (50, 408667), (70, 291905), (79, 258650), (158, 129325), (175, 116762), (350, 58381), (395, 51730), (553, 36950), (739, 27650), (790, 25865), (1106, 18475), (1478, 13825), (1975, 10346), (2765, 7390), (3695, 5530), (3950, 5173)]