20425488

素因数分解:

$2^4\times 3^1\times {\mathrm{181}}^1\times {\mathrm{2351}}^1$

素因数の和:2543

約数の個数: 40

約数和(自身を含む): 53079936

約数和(自身を除く): 32654448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 181, 362, 543, 724, 1086, 1448, 2172, 2351, 2896, 4344, 4702, 7053, 8688, 9404, 14106, 18808, 28212, 37616, 56424, 112848, 425531, 851062, 1276593, 1702124, 2553186, 3404248, 5106372, 6808496, 10212744, 20425488]

約数ペア:

[(1, 20425488), (2, 10212744), (3, 6808496), (4, 5106372), (6, 3404248), (8, 2553186), (12, 1702124), (16, 1276593), (24, 851062), (48, 425531), (181, 112848), (362, 56424), (543, 37616), (724, 28212), (1086, 18808), (1448, 14106), (2172, 9404), (2351, 8688), (2896, 7053), (4344, 4702)]