20881350

素因数分解:

$2^1\times 3^2\times 5^2\times 7^2\times {\mathrm{947}}^1$

素因数の和:979

約数の個数: 108

約数和(自身を含む): 65329524

約数和(自身を除く): 44448174

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 49, 50, 63, 70, 75, 90, 98, 105, 126, 147, 150, 175, 210, 225, 245, 294, 315, 350, 441, 450, 490, 525, 630, 735, 882, 947, 1050, 1225, 1470, 1575, 1894, 2205, 2450, 2841, 3150, 3675, 4410, 4735, 5682, 6629, 7350, 8523, 9470, 11025, 13258, 14205, 17046, 19887, 22050, 23675, 28410, 33145, 39774, 42615, 46403, 47350, 59661, 66290, 71025, 85230, 92806, 99435, 119322, 139209, 142050, 165725, 198870, 213075, 232015, 278418, 298305, 331450, 417627, 426150, 464030, 497175, 596610, 696045, 835254, 994350, 1160075, 1392090, 1491525, 2088135, 2320150, 2983050, 3480225, 4176270, 6960450, 10440675, 20881350]

約数ペア:

[(1, 20881350), (2, 10440675), (3, 6960450), (5, 4176270), (6, 3480225), (7, 2983050), (9, 2320150), (10, 2088135), (14, 1491525), (15, 1392090), (18, 1160075), (21, 994350), (25, 835254), (30, 696045), (35, 596610), (42, 497175), (45, 464030), (49, 426150), (50, 417627), (63, 331450), (70, 298305), (75, 278418), (90, 232015), (98, 213075), (105, 198870), (126, 165725), (147, 142050), (150, 139209), (175, 119322), (210, 99435), (225, 92806), (245, 85230), (294, 71025), (315, 66290), (350, 59661), (441, 47350), (450, 46403), (490, 42615), (525, 39774), (630, 33145), (735, 28410), (882, 23675), (947, 22050), (1050, 19887), (1225, 17046), (1470, 14205), (1575, 13258), (1894, 11025), (2205, 9470), (2450, 8523), (2841, 7350), (3150, 6629), (3675, 5682), (4410, 4735)]