20256950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1917

約数の個数: 48

約数和(自身を含む): 44473344

約数和(自身を除く): 24216394

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 434, 775, 1085, 1550, 1867, 2170, 3734, 5425, 9335, 10850, 13069, 18670, 26138, 46675, 57877, 65345, 93350, 115754, 130690, 289385, 326725, 405139, 578770, 653450, 810278, 1446925, 2025695, 2893850, 4051390, 10128475, 20256950]

約数ペア:

[(1, 20256950), (2, 10128475), (5, 4051390), (7, 2893850), (10, 2025695), (14, 1446925), (25, 810278), (31, 653450), (35, 578770), (50, 405139), (62, 326725), (70, 289385), (155, 130690), (175, 115754), (217, 93350), (310, 65345), (350, 57877), (434, 46675), (775, 26138), (1085, 18670), (1550, 13069), (1867, 10850), (2170, 9335), (3734, 5425)]