20506800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:787

約数の個数: 120

約数和(自身を含む): 68638464

約数和(自身を除く): 48131664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 40, 46, 48, 50, 60, 69, 75, 80, 92, 100, 115, 120, 138, 150, 184, 200, 230, 240, 276, 300, 345, 368, 400, 460, 552, 575, 600, 690, 743, 920, 1104, 1150, 1200, 1380, 1486, 1725, 1840, 2229, 2300, 2760, 2972, 3450, 3715, 4458, 4600, 5520, 5944, 6900, 7430, 8916, 9200, 11145, 11888, 13800, 14860, 17089, 17832, 18575, 22290, 27600, 29720, 34178, 35664, 37150, 44580, 51267, 55725, 59440, 68356, 74300, 85445, 89160, 102534, 111450, 136712, 148600, 170890, 178320, 205068, 222900, 256335, 273424, 297200, 341780, 410136, 427225, 445800, 512670, 683560, 820272, 854450, 891600, 1025340, 1281675, 1367120, 1708900, 2050680, 2563350, 3417800, 4101360, 5126700, 6835600, 10253400, 20506800]

約数ペア:

[(1, 20506800), (2, 10253400), (3, 6835600), (4, 5126700), (5, 4101360), (6, 3417800), (8, 2563350), (10, 2050680), (12, 1708900), (15, 1367120), (16, 1281675), (20, 1025340), (23, 891600), (24, 854450), (25, 820272), (30, 683560), (40, 512670), (46, 445800), (48, 427225), (50, 410136), (60, 341780), (69, 297200), (75, 273424), (80, 256335), (92, 222900), (100, 205068), (115, 178320), (120, 170890), (138, 148600), (150, 136712), (184, 111450), (200, 102534), (230, 89160), (240, 85445), (276, 74300), (300, 68356), (345, 59440), (368, 55725), (400, 51267), (460, 44580), (552, 37150), (575, 35664), (600, 34178), (690, 29720), (743, 27600), (920, 22290), (1104, 18575), (1150, 17832), (1200, 17089), (1380, 14860), (1486, 13800), (1725, 11888), (1840, 11145), (2229, 9200), (2300, 8916), (2760, 7430), (2972, 6900), (3450, 5944), (3715, 5520), (4458, 4600)]