20429880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170249}}^1$

素因数の和:170263

約数の個数: 32

約数和(自身を含む): 61290000

約数和(自身を除く): 40860120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170249, 340498, 510747, 680996, 851245, 1021494, 1361992, 1702490, 2042988, 2553735, 3404980, 4085976, 5107470, 6809960, 10214940, 20429880]

約数ペア:

[(1, 20429880), (2, 10214940), (3, 6809960), (4, 5107470), (5, 4085976), (6, 3404980), (8, 2553735), (10, 2042988), (12, 1702490), (15, 1361992), (20, 1021494), (24, 851245), (30, 680996), (40, 510747), (60, 340498), (120, 170249)]