20583430

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 45878400

約数和(自身を除く): 25294970

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 343, 353, 490, 595, 686, 706, 833, 1190, 1666, 1715, 1765, 2471, 3430, 3530, 4165, 4942, 5831, 6001, 8330, 11662, 12002, 12355, 17297, 24710, 29155, 30005, 34594, 42007, 58310, 60010, 84014, 86485, 121079, 172970, 210035, 242158, 294049, 420070, 588098, 605395, 1210790, 1470245, 2058343, 2940490, 4116686, 10291715, 20583430]

約数ペア:

[(1, 20583430), (2, 10291715), (5, 4116686), (7, 2940490), (10, 2058343), (14, 1470245), (17, 1210790), (34, 605395), (35, 588098), (49, 420070), (70, 294049), (85, 242158), (98, 210035), (119, 172970), (170, 121079), (238, 86485), (245, 84014), (343, 60010), (353, 58310), (490, 42007), (595, 34594), (686, 30005), (706, 29155), (833, 24710), (1190, 17297), (1666, 12355), (1715, 12002), (1765, 11662), (2471, 8330), (3430, 6001), (3530, 5831), (4165, 4942)]