20373045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 42024960

約数和(自身を除く): 21651915

約数列:

[1, 3, 5, 7, 11, 15, 21, 31, 33, 35, 55, 77, 93, 105, 155, 165, 217, 231, 341, 385, 465, 569, 651, 1023, 1085, 1155, 1705, 1707, 2387, 2845, 3255, 3983, 5115, 6259, 7161, 8535, 11935, 11949, 17639, 18777, 19915, 31295, 35805, 43813, 52917, 59745, 88195, 93885, 123473, 131439, 194029, 219065, 264585, 370419, 582087, 617365, 657195, 970145, 1358203, 1852095, 2910435, 4074609, 6791015, 20373045]

約数ペア:

[(1, 20373045), (3, 6791015), (5, 4074609), (7, 2910435), (11, 1852095), (15, 1358203), (21, 970145), (31, 657195), (33, 617365), (35, 582087), (55, 370419), (77, 264585), (93, 219065), (105, 194029), (155, 131439), (165, 123473), (217, 93885), (231, 88195), (341, 59745), (385, 52917), (465, 43813), (569, 35805), (651, 31295), (1023, 19915), (1085, 18777), (1155, 17639), (1705, 11949), (1707, 11935), (2387, 8535), (2845, 7161), (3255, 6259), (3983, 5115)]