20949000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{6983}}^1$

素因数の和:7007

約数の個数: 64

約数和(自身を含む): 65370240

約数和(自身を除く): 44421240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 6983, 13966, 20949, 27932, 34915, 41898, 55864, 69830, 83796, 104745, 139660, 167592, 174575, 209490, 279320, 349150, 418980, 523725, 698300, 837960, 872875, 1047450, 1396600, 1745750, 2094900, 2618625, 3491500, 4189800, 5237250, 6983000, 10474500, 20949000]

約数ペア:

[(1, 20949000), (2, 10474500), (3, 6983000), (4, 5237250), (5, 4189800), (6, 3491500), (8, 2618625), (10, 2094900), (12, 1745750), (15, 1396600), (20, 1047450), (24, 872875), (25, 837960), (30, 698300), (40, 523725), (50, 418980), (60, 349150), (75, 279320), (100, 209490), (120, 174575), (125, 167592), (150, 139660), (200, 104745), (250, 83796), (300, 69830), (375, 55864), (500, 41898), (600, 34915), (750, 27932), (1000, 20949), (1500, 13966), (3000, 6983)]