20342350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:87

約数の個数: 108

約数和(自身を含む): 48472344

約数和(自身を除く): 28129994

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 25, 35, 38, 46, 49, 50, 70, 95, 98, 115, 133, 161, 175, 190, 230, 245, 266, 322, 350, 361, 437, 475, 490, 575, 665, 722, 805, 874, 931, 950, 1127, 1150, 1225, 1330, 1610, 1805, 1862, 2185, 2254, 2450, 2527, 3059, 3325, 3610, 4025, 4370, 4655, 5054, 5635, 6118, 6650, 8050, 8303, 9025, 9310, 10925, 11270, 12635, 15295, 16606, 17689, 18050, 21413, 21850, 23275, 25270, 28175, 30590, 35378, 41515, 42826, 46550, 56350, 58121, 63175, 76475, 83030, 88445, 107065, 116242, 126350, 152950, 176890, 207575, 214130, 290605, 406847, 415150, 442225, 535325, 581210, 813694, 884450, 1070650, 1453025, 2034235, 2906050, 4068470, 10171175, 20342350]

約数ペア:

[(1, 20342350), (2, 10171175), (5, 4068470), (7, 2906050), (10, 2034235), (14, 1453025), (19, 1070650), (23, 884450), (25, 813694), (35, 581210), (38, 535325), (46, 442225), (49, 415150), (50, 406847), (70, 290605), (95, 214130), (98, 207575), (115, 176890), (133, 152950), (161, 126350), (175, 116242), (190, 107065), (230, 88445), (245, 83030), (266, 76475), (322, 63175), (350, 58121), (361, 56350), (437, 46550), (475, 42826), (490, 41515), (575, 35378), (665, 30590), (722, 28175), (805, 25270), (874, 23275), (931, 21850), (950, 21413), (1127, 18050), (1150, 17689), (1225, 16606), (1330, 15295), (1610, 12635), (1805, 11270), (1862, 10925), (2185, 9310), (2254, 9025), (2450, 8303), (2527, 8050), (3059, 6650), (3325, 6118), (3610, 5635), (4025, 5054), (4370, 4655)]