20761395

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{751}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 35374080

約数和(自身を除く): 14612685

約数列:

[1, 3, 5, 15, 19, 57, 95, 97, 285, 291, 485, 751, 1455, 1843, 2253, 3755, 5529, 9215, 11265, 14269, 27645, 42807, 71345, 72847, 214035, 218541, 364235, 1092705, 1384093, 4152279, 6920465, 20761395]

約数ペア:

[(1, 20761395), (3, 6920465), (5, 4152279), (15, 1384093), (19, 1092705), (57, 364235), (95, 218541), (97, 214035), (285, 72847), (291, 71345), (485, 42807), (751, 27645), (1455, 14269), (1843, 11265), (2253, 9215), (3755, 5529)]