20521080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19001}}^1$

素因数の和:19021

約数の個数: 64

約数和(自身を含む): 68407200

約数和(自身を除く): 47886120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19001, 38002, 57003, 76004, 95005, 114006, 152008, 171009, 190010, 228012, 285015, 342018, 380020, 456024, 513027, 570030, 684036, 760040, 855045, 1026054, 1140060, 1368072, 1710090, 2052108, 2280120, 2565135, 3420180, 4104216, 5130270, 6840360, 10260540, 20521080]

約数ペア:

[(1, 20521080), (2, 10260540), (3, 6840360), (4, 5130270), (5, 4104216), (6, 3420180), (8, 2565135), (9, 2280120), (10, 2052108), (12, 1710090), (15, 1368072), (18, 1140060), (20, 1026054), (24, 855045), (27, 760040), (30, 684036), (36, 570030), (40, 513027), (45, 456024), (54, 380020), (60, 342018), (72, 285015), (90, 228012), (108, 190010), (120, 171009), (135, 152008), (180, 114006), (216, 95005), (270, 76004), (360, 57003), (540, 38002), (1080, 19001)]