20938386

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 49083840

約数和(自身を除く): 28145454

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 229, 294, 311, 458, 622, 687, 933, 1374, 1603, 1866, 2177, 3206, 4354, 4809, 6531, 9618, 11221, 13062, 15239, 22442, 30478, 33663, 45717, 67326, 71219, 91434, 142438, 213657, 427314, 498533, 997066, 1495599, 2991198, 3489731, 6979462, 10469193, 20938386]

約数ペア:

[(1, 20938386), (2, 10469193), (3, 6979462), (6, 3489731), (7, 2991198), (14, 1495599), (21, 997066), (42, 498533), (49, 427314), (98, 213657), (147, 142438), (229, 91434), (294, 71219), (311, 67326), (458, 45717), (622, 33663), (687, 30478), (933, 22442), (1374, 15239), (1603, 13062), (1866, 11221), (2177, 9618), (3206, 6531), (4354, 4809)]