20702600

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{6089}}^1$

素因数の和:6122

約数の個数: 48

約数和(自身を含む): 50973300

約数和(自身を除く): 30270700

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 6089, 12178, 24356, 30445, 48712, 60890, 103513, 121780, 152225, 207026, 243560, 304450, 414052, 517565, 608900, 828104, 1035130, 1217800, 2070260, 2587825, 4140520, 5175650, 10351300, 20702600]

約数ペア:

[(1, 20702600), (2, 10351300), (4, 5175650), (5, 4140520), (8, 2587825), (10, 2070260), (17, 1217800), (20, 1035130), (25, 828104), (34, 608900), (40, 517565), (50, 414052), (68, 304450), (85, 243560), (100, 207026), (136, 152225), (170, 121780), (200, 103513), (340, 60890), (425, 48712), (680, 30445), (850, 24356), (1700, 12178), (3400, 6089)]