20283550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:530

約数の個数: 72

約数和(自身を含む): 46563984

約数和(自身を除く): 26280434

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 49, 50, 70, 85, 98, 119, 170, 175, 238, 245, 350, 425, 487, 490, 595, 833, 850, 974, 1190, 1225, 1666, 2435, 2450, 2975, 3409, 4165, 4870, 5950, 6818, 8279, 8330, 12175, 16558, 17045, 20825, 23863, 24350, 34090, 41395, 41650, 47726, 57953, 82790, 85225, 115906, 119315, 170450, 206975, 238630, 289765, 405671, 413950, 579530, 596575, 811342, 1193150, 1448825, 2028355, 2897650, 4056710, 10141775, 20283550]

約数ペア:

[(1, 20283550), (2, 10141775), (5, 4056710), (7, 2897650), (10, 2028355), (14, 1448825), (17, 1193150), (25, 811342), (34, 596575), (35, 579530), (49, 413950), (50, 405671), (70, 289765), (85, 238630), (98, 206975), (119, 170450), (170, 119315), (175, 115906), (238, 85225), (245, 82790), (350, 57953), (425, 47726), (487, 41650), (490, 41395), (595, 34090), (833, 24350), (850, 23863), (974, 20825), (1190, 17045), (1225, 16558), (1666, 12175), (2435, 8330), (2450, 8279), (2975, 6818), (3409, 5950), (4165, 4870)]