20906856

素因数分解:

$2^3\times 3^3\times {\mathrm{151}}^1\times {\mathrm{641}}^1$

素因数の和:807

約数の個数: 64

約数和(自身を含む): 58550400

約数和(自身を除く): 37643544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 151, 216, 302, 453, 604, 641, 906, 1208, 1282, 1359, 1812, 1923, 2564, 2718, 3624, 3846, 4077, 5128, 5436, 5769, 7692, 8154, 10872, 11538, 15384, 16308, 17307, 23076, 32616, 34614, 46152, 69228, 96791, 138456, 193582, 290373, 387164, 580746, 774328, 871119, 1161492, 1742238, 2322984, 2613357, 3484476, 5226714, 6968952, 10453428, 20906856]

約数ペア:

[(1, 20906856), (2, 10453428), (3, 6968952), (4, 5226714), (6, 3484476), (8, 2613357), (9, 2322984), (12, 1742238), (18, 1161492), (24, 871119), (27, 774328), (36, 580746), (54, 387164), (72, 290373), (108, 193582), (151, 138456), (216, 96791), (302, 69228), (453, 46152), (604, 34614), (641, 32616), (906, 23076), (1208, 17307), (1282, 16308), (1359, 15384), (1812, 11538), (1923, 10872), (2564, 8154), (2718, 7692), (3624, 5769), (3846, 5436), (4077, 5128)]