20787776154

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{67933909}}^1$

素因数の和:67933934

約数の個数: 24

約数和(自身を含む): 47689604820

約数和(自身を除く): 26901828666

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 67933909, 135867818, 203801727, 407603454, 611405181, 1154876453, 1222810362, 2309752906, 3464629359, 6929258718, 10393888077, 20787776154]

約数ペア:

[(1, 20787776154), (2, 10393888077), (3, 6929258718), (6, 3464629359), (9, 2309752906), (17, 1222810362), (18, 1154876453), (34, 611405181), (51, 407603454), (102, 203801727), (153, 135867818), (306, 67933909)]