20462240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 52254720

約数和(自身を除く): 31792480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 76, 80, 95, 106, 127, 152, 160, 190, 212, 254, 265, 304, 380, 424, 508, 530, 608, 635, 760, 848, 1007, 1016, 1060, 1270, 1520, 1696, 2014, 2032, 2120, 2413, 2540, 3040, 4028, 4064, 4240, 4826, 5035, 5080, 6731, 8056, 8480, 9652, 10070, 10160, 12065, 13462, 16112, 19304, 20140, 20320, 24130, 26924, 32224, 33655, 38608, 40280, 48260, 53848, 67310, 77216, 80560, 96520, 107696, 127889, 134620, 161120, 193040, 215392, 255778, 269240, 386080, 511556, 538480, 639445, 1023112, 1076960, 1278890, 2046224, 2557780, 4092448, 5115560, 10231120, 20462240]

約数ペア:

[(1, 20462240), (2, 10231120), (4, 5115560), (5, 4092448), (8, 2557780), (10, 2046224), (16, 1278890), (19, 1076960), (20, 1023112), (32, 639445), (38, 538480), (40, 511556), (53, 386080), (76, 269240), (80, 255778), (95, 215392), (106, 193040), (127, 161120), (152, 134620), (160, 127889), (190, 107696), (212, 96520), (254, 80560), (265, 77216), (304, 67310), (380, 53848), (424, 48260), (508, 40280), (530, 38608), (608, 33655), (635, 32224), (760, 26924), (848, 24130), (1007, 20320), (1016, 20140), (1060, 19304), (1270, 16112), (1520, 13462), (1696, 12065), (2014, 10160), (2032, 10070), (2120, 9652), (2413, 8480), (2540, 8056), (3040, 6731), (4028, 5080), (4064, 5035), (4240, 4826)]