20873808

素因数分解:

$2^4\times 3^3\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:457

約数の個数: 80

約数和(自身を含む): 60462400

約数和(自身を除く): 39588592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 211, 216, 229, 422, 432, 458, 633, 687, 844, 916, 1266, 1374, 1688, 1832, 1899, 2061, 2532, 2748, 3376, 3664, 3798, 4122, 5064, 5496, 5697, 6183, 7596, 8244, 10128, 10992, 11394, 12366, 15192, 16488, 22788, 24732, 30384, 32976, 45576, 48319, 49464, 91152, 96638, 98928, 144957, 193276, 289914, 386552, 434871, 579828, 773104, 869742, 1159656, 1304613, 1739484, 2319312, 2609226, 3478968, 5218452, 6957936, 10436904, 20873808]

約数ペア:

[(1, 20873808), (2, 10436904), (3, 6957936), (4, 5218452), (6, 3478968), (8, 2609226), (9, 2319312), (12, 1739484), (16, 1304613), (18, 1159656), (24, 869742), (27, 773104), (36, 579828), (48, 434871), (54, 386552), (72, 289914), (108, 193276), (144, 144957), (211, 98928), (216, 96638), (229, 91152), (422, 49464), (432, 48319), (458, 45576), (633, 32976), (687, 30384), (844, 24732), (916, 22788), (1266, 16488), (1374, 15192), (1688, 12366), (1832, 11394), (1899, 10992), (2061, 10128), (2532, 8244), (2748, 7596), (3376, 6183), (3664, 5697), (3798, 5496), (4122, 5064)]