20293784

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21317}}^1$

素因数の和:21347

約数の個数: 32

約数和(自身を含む): 46046880

約数和(自身を除く): 25753096

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21317, 42634, 85268, 149219, 170536, 298438, 362389, 596876, 724778, 1193752, 1449556, 2536723, 2899112, 5073446, 10146892, 20293784]

約数ペア:

[(1, 20293784), (2, 10146892), (4, 5073446), (7, 2899112), (8, 2536723), (14, 1449556), (17, 1193752), (28, 724778), (34, 596876), (56, 362389), (68, 298438), (119, 170536), (136, 149219), (238, 85268), (476, 42634), (952, 21317)]