20346255

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5197}}^1$

素因数の和:5240

約数の個数: 32

約数和(自身を含む): 37425600

約数和(自身を除く): 17079345

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 5197, 15591, 25985, 46773, 77955, 140319, 150713, 233865, 452139, 701595, 753565, 1356417, 2260695, 4069251, 6782085, 20346255]

約数ペア:

[(1, 20346255), (3, 6782085), (5, 4069251), (9, 2260695), (15, 1356417), (27, 753565), (29, 701595), (45, 452139), (87, 233865), (135, 150713), (145, 140319), (261, 77955), (435, 46773), (783, 25985), (1305, 15591), (3915, 5197)]