20888600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 53568000

約数和(自身を除く): 32679400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 25, 38, 40, 46, 50, 76, 92, 95, 100, 115, 152, 184, 190, 200, 230, 239, 380, 437, 460, 475, 478, 575, 760, 874, 920, 950, 956, 1150, 1195, 1748, 1900, 1912, 2185, 2300, 2390, 3496, 3800, 4370, 4541, 4600, 4780, 5497, 5975, 8740, 9082, 9560, 10925, 10994, 11950, 17480, 18164, 21850, 21988, 22705, 23900, 27485, 36328, 43700, 43976, 45410, 47800, 54970, 87400, 90820, 104443, 109940, 113525, 137425, 181640, 208886, 219880, 227050, 274850, 417772, 454100, 522215, 549700, 835544, 908200, 1044430, 1099400, 2088860, 2611075, 4177720, 5222150, 10444300, 20888600]

約数ペア:

[(1, 20888600), (2, 10444300), (4, 5222150), (5, 4177720), (8, 2611075), (10, 2088860), (19, 1099400), (20, 1044430), (23, 908200), (25, 835544), (38, 549700), (40, 522215), (46, 454100), (50, 417772), (76, 274850), (92, 227050), (95, 219880), (100, 208886), (115, 181640), (152, 137425), (184, 113525), (190, 109940), (200, 104443), (230, 90820), (239, 87400), (380, 54970), (437, 47800), (460, 45410), (475, 43976), (478, 43700), (575, 36328), (760, 27485), (874, 23900), (920, 22705), (950, 21988), (956, 21850), (1150, 18164), (1195, 17480), (1748, 11950), (1900, 10994), (1912, 10925), (2185, 9560), (2300, 9082), (2390, 8740), (3496, 5975), (3800, 5497), (4370, 4780), (4541, 4600)]