20018976

素因数分解:

$2^5\times 3^1\times {\mathrm{151}}^1\times {\mathrm{1381}}^1$

素因数の和:1545

約数の個数: 48

約数和(自身を含む): 52936128

約数和(自身を除く): 32917152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 151, 302, 453, 604, 906, 1208, 1381, 1812, 2416, 2762, 3624, 4143, 4832, 5524, 7248, 8286, 11048, 14496, 16572, 22096, 33144, 44192, 66288, 132576, 208531, 417062, 625593, 834124, 1251186, 1668248, 2502372, 3336496, 5004744, 6672992, 10009488, 20018976]

約数ペア:

[(1, 20018976), (2, 10009488), (3, 6672992), (4, 5004744), (6, 3336496), (8, 2502372), (12, 1668248), (16, 1251186), (24, 834124), (32, 625593), (48, 417062), (96, 208531), (151, 132576), (302, 66288), (453, 44192), (604, 33144), (906, 22096), (1208, 16572), (1381, 14496), (1812, 11048), (2416, 8286), (2762, 7248), (3624, 5524), (4143, 4832)]