20868470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6343}}^1$

素因数の和:6404

約数の個数: 32

約数和(自身を含む): 43849728

約数和(自身を除く): 22981258

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 6343, 12686, 31715, 44401, 63430, 88802, 222005, 298121, 444010, 596242, 1490605, 2086847, 2981210, 4173694, 10434235, 20868470]

約数ペア:

[(1, 20868470), (2, 10434235), (5, 4173694), (7, 2981210), (10, 2086847), (14, 1490605), (35, 596242), (47, 444010), (70, 298121), (94, 222005), (235, 88802), (329, 63430), (470, 44401), (658, 31715), (1645, 12686), (3290, 6343)]