20018754

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{22697}}^1$

素因数の和:22719

約数の個数: 36

約数和(自身を含む): 50457654

約数和(自身を除く): 30438900

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 22697, 45394, 68091, 136182, 158879, 204273, 317758, 408546, 476637, 953274, 1112153, 1429911, 2224306, 2859822, 3336459, 6672918, 10009377, 20018754]

約数ペア:

[(1, 20018754), (2, 10009377), (3, 6672918), (6, 3336459), (7, 2859822), (9, 2224306), (14, 1429911), (18, 1112153), (21, 953274), (42, 476637), (49, 408546), (63, 317758), (98, 204273), (126, 158879), (147, 136182), (294, 68091), (441, 45394), (882, 22697)]