20264680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1753}}^1$

素因数の和:1798

約数の個数: 48

約数和(自身を含む): 48463020

約数和(自身を除く): 28198340

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 1753, 2312, 2890, 3506, 5780, 7012, 8765, 11560, 14024, 17530, 29801, 35060, 59602, 70120, 119204, 149005, 238408, 298010, 506617, 596020, 1013234, 1192040, 2026468, 2533085, 4052936, 5066170, 10132340, 20264680]

約数ペア:

[(1, 20264680), (2, 10132340), (4, 5066170), (5, 4052936), (8, 2533085), (10, 2026468), (17, 1192040), (20, 1013234), (34, 596020), (40, 506617), (68, 298010), (85, 238408), (136, 149005), (170, 119204), (289, 70120), (340, 59602), (578, 35060), (680, 29801), (1156, 17530), (1445, 14024), (1753, 11560), (2312, 8765), (2890, 7012), (3506, 5780)]