20906648

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12043}}^1$

素因数の和:12087

約数の個数: 32

約数和(自身を含む): 46248960

約数和(自身を除く): 25342312

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12043, 24086, 48172, 84301, 96344, 168602, 337204, 373333, 674408, 746666, 1493332, 2613331, 2986664, 5226662, 10453324, 20906648]

約数ペア:

[(1, 20906648), (2, 10453324), (4, 5226662), (7, 2986664), (8, 2613331), (14, 1493332), (28, 746666), (31, 674408), (56, 373333), (62, 337204), (124, 168602), (217, 96344), (248, 84301), (434, 48172), (868, 24086), (1736, 12043)]