20658570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40507}}^1$

素因数の和:40534

約数の個数: 32

約数和(自身を含む): 52498368

約数和(自身を除く): 31839798

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40507, 81014, 121521, 202535, 243042, 405070, 607605, 688619, 1215210, 1377238, 2065857, 3443095, 4131714, 6886190, 10329285, 20658570]

約数ペア:

[(1, 20658570), (2, 10329285), (3, 6886190), (5, 4131714), (6, 3443095), (10, 2065857), (15, 1377238), (17, 1215210), (30, 688619), (34, 607605), (51, 405070), (85, 243042), (102, 202535), (170, 121521), (255, 81014), (510, 40507)]