20206500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:750

約数の個数: 96

約数和(自身を含む): 62025600

約数和(自身を除く): 41819100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 125, 150, 190, 228, 250, 285, 300, 375, 380, 475, 500, 570, 709, 750, 950, 1140, 1418, 1425, 1500, 1900, 2127, 2375, 2836, 2850, 3545, 4254, 4750, 5700, 7090, 7125, 8508, 9500, 10635, 13471, 14180, 14250, 17725, 21270, 26942, 28500, 35450, 40413, 42540, 53175, 53884, 67355, 70900, 80826, 88625, 106350, 134710, 161652, 177250, 202065, 212700, 265875, 269420, 336775, 354500, 404130, 531750, 673550, 808260, 1010325, 1063500, 1347100, 1683875, 2020650, 3367750, 4041300, 5051625, 6735500, 10103250, 20206500]

約数ペア:

[(1, 20206500), (2, 10103250), (3, 6735500), (4, 5051625), (5, 4041300), (6, 3367750), (10, 2020650), (12, 1683875), (15, 1347100), (19, 1063500), (20, 1010325), (25, 808260), (30, 673550), (38, 531750), (50, 404130), (57, 354500), (60, 336775), (75, 269420), (76, 265875), (95, 212700), (100, 202065), (114, 177250), (125, 161652), (150, 134710), (190, 106350), (228, 88625), (250, 80826), (285, 70900), (300, 67355), (375, 53884), (380, 53175), (475, 42540), (500, 40413), (570, 35450), (709, 28500), (750, 26942), (950, 21270), (1140, 17725), (1418, 14250), (1425, 14180), (1500, 13471), (1900, 10635), (2127, 9500), (2375, 8508), (2836, 7125), (2850, 7090), (3545, 5700), (4254, 4750)]