20147980095

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{26993}}^1$

素因数の和:27126

約数の個数: 80

約数和(自身を含む): 38411382240

約数和(自身を除く): 18263402145

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 97, 135, 171, 285, 291, 405, 485, 513, 855, 873, 1455, 1539, 1843, 2565, 2619, 4365, 5529, 7695, 7857, 9215, 13095, 16587, 26993, 27645, 39285, 49761, 80979, 82935, 134965, 149283, 242937, 248805, 404895, 512867, 728811, 746415, 1214685, 1538601, 2186433, 2564335, 2618321, 3644055, 4615803, 7693005, 7854963, 10932165, 13091605, 13847409, 23079015, 23564889, 39274815, 41542227, 49748099, 69237045, 70694667, 117824445, 149244297, 207711135, 212084001, 248740495, 353473335, 447732891, 746221485, 1060420005, 1343198673, 2238664455, 4029596019, 6715993365, 20147980095]

約数ペア:

[(1, 20147980095), (3, 6715993365), (5, 4029596019), (9, 2238664455), (15, 1343198673), (19, 1060420005), (27, 746221485), (45, 447732891), (57, 353473335), (81, 248740495), (95, 212084001), (97, 207711135), (135, 149244297), (171, 117824445), (285, 70694667), (291, 69237045), (405, 49748099), (485, 41542227), (513, 39274815), (855, 23564889), (873, 23079015), (1455, 13847409), (1539, 13091605), (1843, 10932165), (2565, 7854963), (2619, 7693005), (4365, 4615803), (5529, 3644055), (7695, 2618321), (7857, 2564335), (9215, 2186433), (13095, 1538601), (16587, 1214685), (26993, 746415), (27645, 728811), (39285, 512867), (49761, 404895), (80979, 248805), (82935, 242937), (134965, 149283)]