20997300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{69991}}^1$

素因数の和:70008

約数の個数: 36

約数和(自身を含む): 60753056

約数和(自身を除く): 39755756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 69991, 139982, 209973, 279964, 349955, 419946, 699910, 839892, 1049865, 1399820, 1749775, 2099730, 3499550, 4199460, 5249325, 6999100, 10498650, 20997300]

約数ペア:

[(1, 20997300), (2, 10498650), (3, 6999100), (4, 5249325), (5, 4199460), (6, 3499550), (10, 2099730), (12, 1749775), (15, 1399820), (20, 1049865), (25, 839892), (30, 699910), (50, 419946), (60, 349955), (75, 279964), (100, 209973), (150, 139982), (300, 69991)]