20819750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11897}}^1$

素因数の和:11921

約数の個数: 32

約数和(自身を含む): 44546112

約数和(自身を除く): 23726362

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750, 11897, 23794, 59485, 83279, 118970, 166558, 297425, 416395, 594850, 832790, 1487125, 2081975, 2974250, 4163950, 10409875, 20819750]

約数ペア:

[(1, 20819750), (2, 10409875), (5, 4163950), (7, 2974250), (10, 2081975), (14, 1487125), (25, 832790), (35, 594850), (50, 416395), (70, 297425), (125, 166558), (175, 118970), (250, 83279), (350, 59485), (875, 23794), (1750, 11897)]