20460075

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 35566176

約数和(自身を除く): 15106101

約数列:

[1, 3, 5, 15, 25, 37, 73, 75, 101, 111, 185, 219, 303, 365, 505, 555, 925, 1095, 1515, 1825, 2525, 2701, 2775, 3737, 5475, 7373, 7575, 8103, 11211, 13505, 18685, 22119, 36865, 40515, 56055, 67525, 93425, 110595, 184325, 202575, 272801, 280275, 552975, 818403, 1364005, 4092015, 6820025, 20460075]

約数ペア:

[(1, 20460075), (3, 6820025), (5, 4092015), (15, 1364005), (25, 818403), (37, 552975), (73, 280275), (75, 272801), (101, 202575), (111, 184325), (185, 110595), (219, 93425), (303, 67525), (365, 56055), (505, 40515), (555, 36865), (925, 22119), (1095, 18685), (1515, 13505), (1825, 11211), (2525, 8103), (2701, 7575), (2775, 7373), (3737, 5475)]