20437800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1481}}^1$

素因数の和:1523

約数の個数: 96

約数和(自身を含む): 66156480

約数和(自身を除く): 45718680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 40, 46, 50, 60, 69, 75, 92, 100, 115, 120, 138, 150, 184, 200, 230, 276, 300, 345, 460, 552, 575, 600, 690, 920, 1150, 1380, 1481, 1725, 2300, 2760, 2962, 3450, 4443, 4600, 5924, 6900, 7405, 8886, 11848, 13800, 14810, 17772, 22215, 29620, 34063, 35544, 37025, 44430, 59240, 68126, 74050, 88860, 102189, 111075, 136252, 148100, 170315, 177720, 204378, 222150, 272504, 296200, 340630, 408756, 444300, 510945, 681260, 817512, 851575, 888600, 1021890, 1362520, 1703150, 2043780, 2554725, 3406300, 4087560, 5109450, 6812600, 10218900, 20437800]

約数ペア:

[(1, 20437800), (2, 10218900), (3, 6812600), (4, 5109450), (5, 4087560), (6, 3406300), (8, 2554725), (10, 2043780), (12, 1703150), (15, 1362520), (20, 1021890), (23, 888600), (24, 851575), (25, 817512), (30, 681260), (40, 510945), (46, 444300), (50, 408756), (60, 340630), (69, 296200), (75, 272504), (92, 222150), (100, 204378), (115, 177720), (120, 170315), (138, 148100), (150, 136252), (184, 111075), (200, 102189), (230, 88860), (276, 74050), (300, 68126), (345, 59240), (460, 44430), (552, 37025), (575, 35544), (600, 34063), (690, 29620), (920, 22215), (1150, 17772), (1380, 14810), (1481, 13800), (1725, 11848), (2300, 8886), (2760, 7405), (2962, 6900), (3450, 5924), (4443, 4600)]