20797800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2039}}^1$

素因数の和:2075

約数の個数: 96

約数和(自身を含む): 68299200

約数和(自身を除く): 47501400

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, 136, 150, 170, 200, 204, 255, 300, 340, 408, 425, 510, 600, 680, 850, 1020, 1275, 1700, 2039, 2040, 2550, 3400, 4078, 5100, 6117, 8156, 10195, 10200, 12234, 16312, 20390, 24468, 30585, 34663, 40780, 48936, 50975, 61170, 69326, 81560, 101950, 103989, 122340, 138652, 152925, 173315, 203900, 207978, 244680, 277304, 305850, 346630, 407800, 415956, 519945, 611700, 693260, 831912, 866575, 1039890, 1223400, 1386520, 1733150, 2079780, 2599725, 3466300, 4159560, 5199450, 6932600, 10398900, 20797800]

約数ペア:

[(1, 20797800), (2, 10398900), (3, 6932600), (4, 5199450), (5, 4159560), (6, 3466300), (8, 2599725), (10, 2079780), (12, 1733150), (15, 1386520), (17, 1223400), (20, 1039890), (24, 866575), (25, 831912), (30, 693260), (34, 611700), (40, 519945), (50, 415956), (51, 407800), (60, 346630), (68, 305850), (75, 277304), (85, 244680), (100, 207978), (102, 203900), (120, 173315), (136, 152925), (150, 138652), (170, 122340), (200, 103989), (204, 101950), (255, 81560), (300, 69326), (340, 61170), (408, 50975), (425, 48936), (510, 40780), (600, 34663), (680, 30585), (850, 24468), (1020, 20390), (1275, 16312), (1700, 12234), (2039, 10200), (2040, 10195), (2550, 8156), (3400, 6117), (4078, 5100)]