20004750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 57384288

約数和(自身を除く): 37379538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 45, 50, 51, 75, 85, 90, 102, 125, 150, 153, 170, 225, 250, 255, 306, 375, 425, 450, 510, 523, 750, 765, 850, 1046, 1125, 1275, 1530, 1569, 2125, 2250, 2550, 2615, 3138, 3825, 4250, 4707, 5230, 6375, 7650, 7845, 8891, 9414, 12750, 13075, 15690, 17782, 19125, 23535, 26150, 26673, 38250, 39225, 44455, 47070, 53346, 65375, 78450, 80019, 88910, 117675, 130750, 133365, 160038, 196125, 222275, 235350, 266730, 392250, 400095, 444550, 588375, 666825, 800190, 1111375, 1176750, 1333650, 2000475, 2222750, 3334125, 4000950, 6668250, 10002375, 20004750]

約数ペア:

[(1, 20004750), (2, 10002375), (3, 6668250), (5, 4000950), (6, 3334125), (9, 2222750), (10, 2000475), (15, 1333650), (17, 1176750), (18, 1111375), (25, 800190), (30, 666825), (34, 588375), (45, 444550), (50, 400095), (51, 392250), (75, 266730), (85, 235350), (90, 222275), (102, 196125), (125, 160038), (150, 133365), (153, 130750), (170, 117675), (225, 88910), (250, 80019), (255, 78450), (306, 65375), (375, 53346), (425, 47070), (450, 44455), (510, 39225), (523, 38250), (750, 26673), (765, 26150), (850, 23535), (1046, 19125), (1125, 17782), (1275, 15690), (1530, 13075), (1569, 12750), (2125, 9414), (2250, 8891), (2550, 7845), (2615, 7650), (3138, 6375), (3825, 5230), (4250, 4707)]