20148975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1163}}^1$

素因数の和:1197

約数の個数: 72

約数和(自身を含む): 45032832

約数和(自身を除く): 24883857

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 45, 55, 63, 75, 77, 99, 105, 165, 175, 225, 231, 275, 315, 385, 495, 525, 693, 825, 1155, 1163, 1575, 1925, 2475, 3465, 3489, 5775, 5815, 8141, 10467, 12793, 17325, 17445, 24423, 29075, 38379, 40705, 52335, 63965, 73269, 87225, 89551, 115137, 122115, 191895, 203525, 261675, 268653, 319825, 366345, 447755, 575685, 610575, 805959, 959475, 1343265, 1831725, 2238775, 2878425, 4029795, 6716325, 20148975]

約数ペア:

[(1, 20148975), (3, 6716325), (5, 4029795), (7, 2878425), (9, 2238775), (11, 1831725), (15, 1343265), (21, 959475), (25, 805959), (33, 610575), (35, 575685), (45, 447755), (55, 366345), (63, 319825), (75, 268653), (77, 261675), (99, 203525), (105, 191895), (165, 122115), (175, 115137), (225, 89551), (231, 87225), (275, 73269), (315, 63965), (385, 52335), (495, 40705), (525, 38379), (693, 29075), (825, 24423), (1155, 17445), (1163, 17325), (1575, 12793), (1925, 10467), (2475, 8141), (3465, 5815), (3489, 5775)]