20999100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{69997}}^1$

素因数の和:70014

約数の個数: 36

約数和(自身を含む): 60758264

約数和(自身を除く): 39759164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 69997, 139994, 209991, 279988, 349985, 419982, 699970, 839964, 1049955, 1399940, 1749925, 2099910, 3499850, 4199820, 5249775, 6999700, 10499550, 20999100]

約数ペア:

[(1, 20999100), (2, 10499550), (3, 6999700), (4, 5249775), (5, 4199820), (6, 3499850), (10, 2099910), (12, 1749925), (15, 1399940), (20, 1049955), (25, 839964), (30, 699970), (50, 419982), (60, 349985), (75, 279988), (100, 209991), (150, 139994), (300, 69997)]