20572560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28573}}^1$

素因数の和:28592

約数の個数: 60

約数和(自身を含む): 69091932

約数和(自身を除く): 48519372

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28573, 57146, 85719, 114292, 142865, 171438, 228584, 257157, 285730, 342876, 428595, 457168, 514314, 571460, 685752, 857190, 1028628, 1142920, 1285785, 1371504, 1714380, 2057256, 2285840, 2571570, 3428760, 4114512, 5143140, 6857520, 10286280, 20572560]

約数ペア:

[(1, 20572560), (2, 10286280), (3, 6857520), (4, 5143140), (5, 4114512), (6, 3428760), (8, 2571570), (9, 2285840), (10, 2057256), (12, 1714380), (15, 1371504), (16, 1285785), (18, 1142920), (20, 1028628), (24, 857190), (30, 685752), (36, 571460), (40, 514314), (45, 457168), (48, 428595), (60, 342876), (72, 285730), (80, 257157), (90, 228584), (120, 171438), (144, 142865), (180, 114292), (240, 85719), (360, 57146), (720, 28573)]