20942568

素因数分解:

$2^3\times 3^2\times {\mathrm{290869}}^1$

素因数の和:290881

約数の個数: 24

約数和(自身を含む): 56719650

約数和(自身を除く): 35777082

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 290869, 581738, 872607, 1163476, 1745214, 2326952, 2617821, 3490428, 5235642, 6980856, 10471284, 20942568]

約数ペア:

[(1, 20942568), (2, 10471284), (3, 6980856), (4, 5235642), (6, 3490428), (8, 2617821), (9, 2326952), (12, 1745214), (18, 1163476), (24, 872607), (36, 581738), (72, 290869)]