20247000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:438

約数の個数: 128

約数和(自身を含む): 67055040

約数和(自身を除く): 46808040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 25, 30, 34, 40, 50, 51, 60, 68, 75, 85, 100, 102, 120, 125, 136, 150, 170, 200, 204, 250, 255, 300, 340, 375, 397, 408, 425, 500, 510, 600, 680, 750, 794, 850, 1000, 1020, 1191, 1275, 1500, 1588, 1700, 1985, 2040, 2125, 2382, 2550, 3000, 3176, 3400, 3970, 4250, 4764, 5100, 5955, 6375, 6749, 7940, 8500, 9528, 9925, 10200, 11910, 12750, 13498, 15880, 17000, 19850, 20247, 23820, 25500, 26996, 29775, 33745, 39700, 40494, 47640, 49625, 51000, 53992, 59550, 67490, 79400, 80988, 99250, 101235, 119100, 134980, 148875, 161976, 168725, 198500, 202470, 238200, 269960, 297750, 337450, 397000, 404940, 506175, 595500, 674900, 809880, 843625, 1012350, 1191000, 1349800, 1687250, 2024700, 2530875, 3374500, 4049400, 5061750, 6749000, 10123500, 20247000]

約数ペア:

[(1, 20247000), (2, 10123500), (3, 6749000), (4, 5061750), (5, 4049400), (6, 3374500), (8, 2530875), (10, 2024700), (12, 1687250), (15, 1349800), (17, 1191000), (20, 1012350), (24, 843625), (25, 809880), (30, 674900), (34, 595500), (40, 506175), (50, 404940), (51, 397000), (60, 337450), (68, 297750), (75, 269960), (85, 238200), (100, 202470), (102, 198500), (120, 168725), (125, 161976), (136, 148875), (150, 134980), (170, 119100), (200, 101235), (204, 99250), (250, 80988), (255, 79400), (300, 67490), (340, 59550), (375, 53992), (397, 51000), (408, 49625), (425, 47640), (500, 40494), (510, 39700), (600, 33745), (680, 29775), (750, 26996), (794, 25500), (850, 23820), (1000, 20247), (1020, 19850), (1191, 17000), (1275, 15880), (1500, 13498), (1588, 12750), (1700, 11910), (1985, 10200), (2040, 9925), (2125, 9528), (2382, 8500), (2550, 7940), (3000, 6749), (3176, 6375), (3400, 5955), (3970, 5100), (4250, 4764)]