20776784420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2215009}}^1$

素因数の和:2215092

約数の個数: 48

約数和(自身を含む): 50608548480

約数和(自身を除く): 29831764060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 2215009, 4430018, 8860036, 11075045, 15505063, 22150090, 31010126, 44300180, 62020252, 77525315, 148405603, 155050630, 296811206, 310101260, 593622412, 742028015, 1038839221, 1484056030, 2077678442, 2968112060, 4155356884, 5194196105, 10388392210, 20776784420]

約数ペア:

[(1, 20776784420), (2, 10388392210), (4, 5194196105), (5, 4155356884), (7, 2968112060), (10, 2077678442), (14, 1484056030), (20, 1038839221), (28, 742028015), (35, 593622412), (67, 310101260), (70, 296811206), (134, 155050630), (140, 148405603), (268, 77525315), (335, 62020252), (469, 44300180), (670, 31010126), (938, 22150090), (1340, 15505063), (1876, 11075045), (2345, 8860036), (4690, 4430018), (9380, 2215009)]