20524500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4561}}^1$

素因数の和:4586

約数の個数: 72

約数和(自身を含む): 64762152

約数和(自身を除く): 44237652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4561, 9122, 13683, 18244, 22805, 27366, 41049, 45610, 54732, 68415, 82098, 91220, 114025, 136830, 164196, 205245, 228050, 273660, 342075, 410490, 456100, 570125, 684150, 820980, 1026225, 1140250, 1368300, 1710375, 2052450, 2280500, 3420750, 4104900, 5131125, 6841500, 10262250, 20524500]

約数ペア:

[(1, 20524500), (2, 10262250), (3, 6841500), (4, 5131125), (5, 4104900), (6, 3420750), (9, 2280500), (10, 2052450), (12, 1710375), (15, 1368300), (18, 1140250), (20, 1026225), (25, 820980), (30, 684150), (36, 570125), (45, 456100), (50, 410490), (60, 342075), (75, 273660), (90, 228050), (100, 205245), (125, 164196), (150, 136830), (180, 114025), (225, 91220), (250, 82098), (300, 68415), (375, 54732), (450, 45610), (500, 41049), (750, 27366), (900, 22805), (1125, 18244), (1500, 13683), (2250, 9122), (4500, 4561)]