20199435490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{284059}}^1$

素因数の和:284626

約数の個数: 32

約数和(自身を含む): 39227549760

約数和(自身を除く): 19028114270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 547, 1094, 2735, 5470, 7111, 14222, 35555, 71110, 284059, 568118, 1420295, 2840590, 3692767, 7385534, 18463835, 36927670, 155380273, 310760546, 776901365, 1553802730, 2019943549, 4039887098, 10099717745, 20199435490]

約数ペア:

[(1, 20199435490), (2, 10099717745), (5, 4039887098), (10, 2019943549), (13, 1553802730), (26, 776901365), (65, 310760546), (130, 155380273), (547, 36927670), (1094, 18463835), (2735, 7385534), (5470, 3692767), (7111, 2840590), (14222, 1420295), (35555, 568118), (71110, 284059)]