20199298864

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6408407}}^1$

素因数の和:6408612

約数の個数: 20

約数和(自身を含む): 39334808304

約数和(自身を除く): 19135509440

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6408407, 12816814, 25633628, 51267256, 102534512, 1262456179, 2524912358, 5049824716, 10099649432, 20199298864]

約数ペア:

[(1, 20199298864), (2, 10099649432), (4, 5049824716), (8, 2524912358), (16, 1262456179), (197, 102534512), (394, 51267256), (788, 25633628), (1576, 12816814), (3152, 6408407)]