20570040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57139}}^1$

素因数の和:57156

約数の個数: 48

約数和(自身を含む): 66853800

約数和(自身を除く): 46283760

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, 57139, 114278, 171417, 228556, 285695, 342834, 457112, 514251, 571390, 685668, 857085, 1028502, 1142780, 1371336, 1714170, 2057004, 2285560, 2571255, 3428340, 4114008, 5142510, 6856680, 10285020, 20570040]

約数ペア:

[(1, 20570040), (2, 10285020), (3, 6856680), (4, 5142510), (5, 4114008), (6, 3428340), (8, 2571255), (9, 2285560), (10, 2057004), (12, 1714170), (15, 1371336), (18, 1142780), (20, 1028502), (24, 857085), (30, 685668), (36, 571390), (40, 514251), (45, 457112), (60, 342834), (72, 285695), (90, 228556), (120, 171417), (180, 114278), (360, 57139)]