20263815

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 42771456

約数和(自身を除く): 22507641

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 47, 55, 65, 67, 99, 117, 141, 143, 165, 195, 201, 235, 335, 423, 429, 495, 517, 585, 603, 611, 705, 715, 737, 871, 1005, 1287, 1551, 1833, 2115, 2145, 2211, 2585, 2613, 3015, 3055, 3149, 3685, 4355, 4653, 5499, 6435, 6633, 6721, 7755, 7839, 9165, 9447, 9581, 11055, 13065, 15745, 20163, 23265, 27495, 28341, 28743, 33165, 33605, 34639, 39195, 40937, 47235, 47905, 60489, 86229, 100815, 103917, 122811, 141705, 143715, 173195, 204685, 302445, 311751, 368433, 431145, 450307, 519585, 614055, 1350921, 1558755, 1842165, 2251535, 4052763, 6754605, 20263815]

約数ペア:

[(1, 20263815), (3, 6754605), (5, 4052763), (9, 2251535), (11, 1842165), (13, 1558755), (15, 1350921), (33, 614055), (39, 519585), (45, 450307), (47, 431145), (55, 368433), (65, 311751), (67, 302445), (99, 204685), (117, 173195), (141, 143715), (143, 141705), (165, 122811), (195, 103917), (201, 100815), (235, 86229), (335, 60489), (423, 47905), (429, 47235), (495, 40937), (517, 39195), (585, 34639), (603, 33605), (611, 33165), (705, 28743), (715, 28341), (737, 27495), (871, 23265), (1005, 20163), (1287, 15745), (1551, 13065), (1833, 11055), (2115, 9581), (2145, 9447), (2211, 9165), (2585, 7839), (2613, 7755), (3015, 6721), (3055, 6633), (3149, 6435), (3685, 5499), (4355, 4653)]