20199031900

素因数分解:

$2^2\times 5^2\times {\mathrm{3181}}^1\times {\mathrm{63499}}^1$

素因数の和:66694

約数の個数: 36

約数和(自身を含む): 43846369000

約数和(自身を除く): 23647337100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 3181, 6362, 12724, 15905, 31810, 63499, 63620, 79525, 126998, 159050, 253996, 317495, 318100, 634990, 1269980, 1587475, 3174950, 6349900, 201990319, 403980638, 807961276, 1009951595, 2019903190, 4039806380, 5049757975, 10099515950, 20199031900]

約数ペア:

[(1, 20199031900), (2, 10099515950), (4, 5049757975), (5, 4039806380), (10, 2019903190), (20, 1009951595), (25, 807961276), (50, 403980638), (100, 201990319), (3181, 6349900), (6362, 3174950), (12724, 1587475), (15905, 1269980), (31810, 634990), (63499, 318100), (63620, 317495), (79525, 253996), (126998, 159050)]