20488968

素因数分解:

$2^3\times 3^2\times {\mathrm{383}}^1\times {\mathrm{743}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 55710720

約数和(自身を除く): 35221752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 383, 743, 766, 1149, 1486, 1532, 2229, 2298, 2972, 3064, 3447, 4458, 4596, 5944, 6687, 6894, 8916, 9192, 13374, 13788, 17832, 26748, 27576, 53496, 284569, 569138, 853707, 1138276, 1707414, 2276552, 2561121, 3414828, 5122242, 6829656, 10244484, 20488968]

約数ペア:

[(1, 20488968), (2, 10244484), (3, 6829656), (4, 5122242), (6, 3414828), (8, 2561121), (9, 2276552), (12, 1707414), (18, 1138276), (24, 853707), (36, 569138), (72, 284569), (383, 53496), (743, 27576), (766, 26748), (1149, 17832), (1486, 13788), (1532, 13374), (2229, 9192), (2298, 8916), (2972, 6894), (3064, 6687), (3447, 5944), (4458, 4596)]