20828400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1021}}^1$

素因数の和:1059

約数の個数: 120

約数和(自身を含む): 70714224

約数和(自身を除く): 49885824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 100, 102, 120, 136, 150, 170, 200, 204, 240, 255, 272, 300, 340, 400, 408, 425, 510, 600, 680, 816, 850, 1020, 1021, 1200, 1275, 1360, 1700, 2040, 2042, 2550, 3063, 3400, 4080, 4084, 5100, 5105, 6126, 6800, 8168, 10200, 10210, 12252, 15315, 16336, 17357, 20400, 20420, 24504, 25525, 30630, 34714, 40840, 49008, 51050, 52071, 61260, 69428, 76575, 81680, 86785, 102100, 104142, 122520, 138856, 153150, 173570, 204200, 208284, 245040, 260355, 277712, 306300, 347140, 408400, 416568, 433925, 520710, 612600, 694280, 833136, 867850, 1041420, 1225200, 1301775, 1388560, 1735700, 2082840, 2603550, 3471400, 4165680, 5207100, 6942800, 10414200, 20828400]

約数ペア:

[(1, 20828400), (2, 10414200), (3, 6942800), (4, 5207100), (5, 4165680), (6, 3471400), (8, 2603550), (10, 2082840), (12, 1735700), (15, 1388560), (16, 1301775), (17, 1225200), (20, 1041420), (24, 867850), (25, 833136), (30, 694280), (34, 612600), (40, 520710), (48, 433925), (50, 416568), (51, 408400), (60, 347140), (68, 306300), (75, 277712), (80, 260355), (85, 245040), (100, 208284), (102, 204200), (120, 173570), (136, 153150), (150, 138856), (170, 122520), (200, 104142), (204, 102100), (240, 86785), (255, 81680), (272, 76575), (300, 69428), (340, 61260), (400, 52071), (408, 51050), (425, 49008), (510, 40840), (600, 34714), (680, 30630), (816, 25525), (850, 24504), (1020, 20420), (1021, 20400), (1200, 17357), (1275, 16336), (1360, 15315), (1700, 12252), (2040, 10210), (2042, 10200), (2550, 8168), (3063, 6800), (3400, 6126), (4080, 5105), (4084, 5100)]