20569440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42853}}^1$

素因数の和:42871

約数の個数: 48

約数和(自身を含む): 64795248

約数和(自身を除く): 44225808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42853, 85706, 128559, 171412, 214265, 257118, 342824, 428530, 514236, 642795, 685648, 857060, 1028472, 1285590, 1371296, 1714120, 2056944, 2571180, 3428240, 4113888, 5142360, 6856480, 10284720, 20569440]

約数ペア:

[(1, 20569440), (2, 10284720), (3, 6856480), (4, 5142360), (5, 4113888), (6, 3428240), (8, 2571180), (10, 2056944), (12, 1714120), (15, 1371296), (16, 1285590), (20, 1028472), (24, 857060), (30, 685648), (32, 642795), (40, 514236), (48, 428530), (60, 342824), (80, 257118), (96, 214265), (120, 171412), (160, 128559), (240, 85706), (480, 42853)]