22212820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{158663}}^1$

素因数の和:158679

約数の個数: 24

約数和(自身を含む): 53311104

約数和(自身を除く): 31098284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 158663, 317326, 634652, 793315, 1110641, 1586630, 2221282, 3173260, 4442564, 5553205, 11106410, 22212820]

約数ペア:

[(1, 22212820), (2, 11106410), (4, 5553205), (5, 4442564), (7, 3173260), (10, 2221282), (14, 1586630), (20, 1110641), (28, 793315), (35, 634652), (70, 317326), (140, 158663)]