20071936

素因数分解:

$2^9\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:414

約数の個数: 40

約数和(自身を含む): 40510800

約数和(自身を除く): 20438864

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 199, 256, 394, 398, 512, 788, 796, 1576, 1592, 3152, 3184, 6304, 6368, 12608, 12736, 25216, 25472, 39203, 50432, 50944, 78406, 100864, 101888, 156812, 313624, 627248, 1254496, 2508992, 5017984, 10035968, 20071936]

約数ペア:

[(1, 20071936), (2, 10035968), (4, 5017984), (8, 2508992), (16, 1254496), (32, 627248), (64, 313624), (128, 156812), (197, 101888), (199, 100864), (256, 78406), (394, 50944), (398, 50432), (512, 39203), (788, 25472), (796, 25216), (1576, 12736), (1592, 12608), (3152, 6368), (3184, 6304)]