20418000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 160

約数和(自身を含む): 68245632

約数和(自身を除く): 47827632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 41, 48, 50, 60, 75, 80, 82, 83, 100, 120, 123, 125, 150, 164, 166, 200, 205, 240, 246, 249, 250, 300, 328, 332, 375, 400, 410, 415, 492, 498, 500, 600, 615, 656, 664, 750, 820, 830, 984, 996, 1000, 1025, 1200, 1230, 1245, 1328, 1500, 1640, 1660, 1968, 1992, 2000, 2050, 2075, 2460, 2490, 3000, 3075, 3280, 3320, 3403, 3984, 4100, 4150, 4920, 4980, 5125, 6000, 6150, 6225, 6640, 6806, 8200, 8300, 9840, 9960, 10209, 10250, 10375, 12300, 12450, 13612, 15375, 16400, 16600, 17015, 19920, 20418, 20500, 20750, 24600, 24900, 27224, 30750, 31125, 33200, 34030, 40836, 41000, 41500, 49200, 49800, 51045, 54448, 61500, 62250, 68060, 81672, 82000, 83000, 85075, 99600, 102090, 123000, 124500, 136120, 163344, 166000, 170150, 204180, 246000, 249000, 255225, 272240, 340300, 408360, 425375, 498000, 510450, 680600, 816720, 850750, 1020900, 1276125, 1361200, 1701500, 2041800, 2552250, 3403000, 4083600, 5104500, 6806000, 10209000, 20418000]

約数ペア:

[(1, 20418000), (2, 10209000), (3, 6806000), (4, 5104500), (5, 4083600), (6, 3403000), (8, 2552250), (10, 2041800), (12, 1701500), (15, 1361200), (16, 1276125), (20, 1020900), (24, 850750), (25, 816720), (30, 680600), (40, 510450), (41, 498000), (48, 425375), (50, 408360), (60, 340300), (75, 272240), (80, 255225), (82, 249000), (83, 246000), (100, 204180), (120, 170150), (123, 166000), (125, 163344), (150, 136120), (164, 124500), (166, 123000), (200, 102090), (205, 99600), (240, 85075), (246, 83000), (249, 82000), (250, 81672), (300, 68060), (328, 62250), (332, 61500), (375, 54448), (400, 51045), (410, 49800), (415, 49200), (492, 41500), (498, 41000), (500, 40836), (600, 34030), (615, 33200), (656, 31125), (664, 30750), (750, 27224), (820, 24900), (830, 24600), (984, 20750), (996, 20500), (1000, 20418), (1025, 19920), (1200, 17015), (1230, 16600), (1245, 16400), (1328, 15375), (1500, 13612), (1640, 12450), (1660, 12300), (1968, 10375), (1992, 10250), (2000, 10209), (2050, 9960), (2075, 9840), (2460, 8300), (2490, 8200), (3000, 6806), (3075, 6640), (3280, 6225), (3320, 6150), (3403, 6000), (3984, 5125), (4100, 4980), (4150, 4920)]