20534955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{877}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 37761024

約数和(自身を除く): 17226069

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 223, 669, 877, 1115, 1561, 2631, 3345, 4385, 4683, 6139, 7805, 13155, 18417, 23415, 30695, 92085, 195571, 586713, 977855, 1368997, 2933565, 4106991, 6844985, 20534955]

約数ペア:

[(1, 20534955), (3, 6844985), (5, 4106991), (7, 2933565), (15, 1368997), (21, 977855), (35, 586713), (105, 195571), (223, 92085), (669, 30695), (877, 23415), (1115, 18417), (1561, 13155), (2631, 7805), (3345, 6139), (4385, 4683)]