20554920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57097}}^1$

素因数の和:57114

約数の個数: 48

約数和(自身を含む): 66804660

約数和(自身を除く): 46249740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57097, 114194, 171291, 228388, 285485, 342582, 456776, 513873, 570970, 685164, 856455, 1027746, 1141940, 1370328, 1712910, 2055492, 2283880, 2569365, 3425820, 4110984, 5138730, 6851640, 10277460, 20554920]

約数ペア:

[(1, 20554920), (2, 10277460), (3, 6851640), (4, 5138730), (5, 4110984), (6, 3425820), (8, 2569365), (9, 2283880), (10, 2055492), (12, 1712910), (15, 1370328), (18, 1141940), (20, 1027746), (24, 856455), (30, 685164), (36, 570970), (40, 513873), (45, 456776), (60, 342582), (72, 285485), (90, 228388), (120, 171291), (180, 114194), (360, 57097)]