20343772190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1229}}^1\times {\mathrm{2657}}^1$

素因数の和:3989

約数の個数: 64

約数和(自身を含む): 42370646400

約数和(自身を除く): 22026874210

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1229, 1246, 2458, 2657, 3115, 5314, 6145, 6230, 8603, 12290, 13285, 17206, 18599, 26570, 37198, 43015, 86030, 92995, 109381, 185990, 218762, 236473, 472946, 546905, 765667, 1093810, 1182365, 1531334, 1655311, 2364730, 3265453, 3310622, 3828335, 6530906, 7656670, 8276555, 16327265, 16553110, 22858171, 32654530, 45716342, 114290855, 228581710, 290625317, 581250634, 1453126585, 2034377219, 2906253170, 4068754438, 10171886095, 20343772190]

約数ペア:

[(1, 20343772190), (2, 10171886095), (5, 4068754438), (7, 2906253170), (10, 2034377219), (14, 1453126585), (35, 581250634), (70, 290625317), (89, 228581710), (178, 114290855), (445, 45716342), (623, 32654530), (890, 22858171), (1229, 16553110), (1246, 16327265), (2458, 8276555), (2657, 7656670), (3115, 6530906), (5314, 3828335), (6145, 3310622), (6230, 3265453), (8603, 2364730), (12290, 1655311), (13285, 1531334), (17206, 1182365), (18599, 1093810), (26570, 765667), (37198, 546905), (43015, 472946), (86030, 236473), (92995, 218762), (109381, 185990)]