20406876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{641}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 54647040

約数和(自身を除く): 34240164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 379, 641, 758, 1137, 1282, 1516, 1923, 2274, 2564, 2653, 3846, 4487, 4548, 5306, 7692, 7959, 8974, 10612, 13461, 15918, 17948, 26922, 31836, 53844, 242939, 485878, 728817, 971756, 1457634, 1700573, 2915268, 3401146, 5101719, 6802292, 10203438, 20406876]

約数ペア:

[(1, 20406876), (2, 10203438), (3, 6802292), (4, 5101719), (6, 3401146), (7, 2915268), (12, 1700573), (14, 1457634), (21, 971756), (28, 728817), (42, 485878), (84, 242939), (379, 53844), (641, 31836), (758, 26922), (1137, 17948), (1282, 15918), (1516, 13461), (1923, 10612), (2274, 8974), (2564, 7959), (2653, 7692), (3846, 5306), (4487, 4548)]