20267760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{84449}}^1$

素因数の和:84465

約数の個数: 40

約数和(自身を含む): 62830800

約数和(自身を除く): 42563040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 84449, 168898, 253347, 337796, 422245, 506694, 675592, 844490, 1013388, 1266735, 1351184, 1688980, 2026776, 2533470, 3377960, 4053552, 5066940, 6755920, 10133880, 20267760]

約数ペア:

[(1, 20267760), (2, 10133880), (3, 6755920), (4, 5066940), (5, 4053552), (6, 3377960), (8, 2533470), (10, 2026776), (12, 1688980), (15, 1351184), (16, 1266735), (20, 1013388), (24, 844490), (30, 675592), (40, 506694), (48, 422245), (60, 337796), (80, 253347), (120, 168898), (240, 84449)]