20972070

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33289}}^1$

素因数の和:33309

約数の個数: 48

約数和(自身を含む): 62318880

約数和(自身を除く): 41346810

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33289, 66578, 99867, 166445, 199734, 233023, 299601, 332890, 466046, 499335, 599202, 699069, 998670, 1165115, 1398138, 1498005, 2097207, 2330230, 2996010, 3495345, 4194414, 6990690, 10486035, 20972070]

約数ペア:

[(1, 20972070), (2, 10486035), (3, 6990690), (5, 4194414), (6, 3495345), (7, 2996010), (9, 2330230), (10, 2097207), (14, 1498005), (15, 1398138), (18, 1165115), (21, 998670), (30, 699069), (35, 599202), (42, 499335), (45, 466046), (63, 332890), (70, 299601), (90, 233023), (105, 199734), (126, 166445), (210, 99867), (315, 66578), (630, 33289)]