20322400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 59996160

約数和(自身を除く): 39673760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 133, 140, 152, 160, 175, 190, 191, 200, 224, 266, 280, 304, 350, 380, 382, 400, 475, 532, 560, 608, 665, 700, 760, 764, 800, 950, 955, 1064, 1120, 1330, 1337, 1400, 1520, 1528, 1900, 1910, 2128, 2660, 2674, 2800, 3040, 3056, 3325, 3629, 3800, 3820, 4256, 4775, 5320, 5348, 5600, 6112, 6650, 6685, 7258, 7600, 7640, 9550, 10640, 10696, 13300, 13370, 14516, 15200, 15280, 18145, 19100, 21280, 21392, 25403, 26600, 26740, 29032, 30560, 33425, 36290, 38200, 42784, 50806, 53200, 53480, 58064, 66850, 72580, 76400, 90725, 101612, 106400, 106960, 116128, 127015, 133700, 145160, 152800, 181450, 203224, 213920, 254030, 267400, 290320, 362900, 406448, 508060, 534800, 580640, 635075, 725800, 812896, 1016120, 1069600, 1270150, 1451600, 2032240, 2540300, 2903200, 4064480, 5080600, 10161200, 20322400]

約数ペア:

[(1, 20322400), (2, 10161200), (4, 5080600), (5, 4064480), (7, 2903200), (8, 2540300), (10, 2032240), (14, 1451600), (16, 1270150), (19, 1069600), (20, 1016120), (25, 812896), (28, 725800), (32, 635075), (35, 580640), (38, 534800), (40, 508060), (50, 406448), (56, 362900), (70, 290320), (76, 267400), (80, 254030), (95, 213920), (100, 203224), (112, 181450), (133, 152800), (140, 145160), (152, 133700), (160, 127015), (175, 116128), (190, 106960), (191, 106400), (200, 101612), (224, 90725), (266, 76400), (280, 72580), (304, 66850), (350, 58064), (380, 53480), (382, 53200), (400, 50806), (475, 42784), (532, 38200), (560, 36290), (608, 33425), (665, 30560), (700, 29032), (760, 26740), (764, 26600), (800, 25403), (950, 21392), (955, 21280), (1064, 19100), (1120, 18145), (1330, 15280), (1337, 15200), (1400, 14516), (1520, 13370), (1528, 13300), (1900, 10696), (1910, 10640), (2128, 9550), (2660, 7640), (2674, 7600), (2800, 7258), (3040, 6685), (3056, 6650), (3325, 6112), (3629, 5600), (3800, 5348), (3820, 5320), (4256, 4775)]