20427330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 128

約数和(自身を含む): 63037440

約数和(自身を除く): 42610110

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 37, 42, 55, 66, 70, 74, 77, 105, 110, 111, 154, 165, 185, 210, 222, 231, 239, 259, 330, 370, 385, 407, 462, 478, 518, 555, 717, 770, 777, 814, 1110, 1155, 1195, 1221, 1295, 1434, 1554, 1673, 2035, 2310, 2390, 2442, 2590, 2629, 2849, 3346, 3585, 3885, 4070, 5019, 5258, 5698, 6105, 7170, 7770, 7887, 8365, 8547, 8843, 10038, 12210, 13145, 14245, 15774, 16730, 17094, 17686, 18403, 25095, 26290, 26529, 28490, 36806, 39435, 42735, 44215, 50190, 53058, 55209, 61901, 78870, 85470, 88430, 92015, 97273, 110418, 123802, 132645, 184030, 185703, 194546, 265290, 276045, 291819, 309505, 371406, 486365, 552090, 583638, 619010, 680911, 928515, 972730, 1361822, 1459095, 1857030, 2042733, 2918190, 3404555, 4085466, 6809110, 10213665, 20427330]

約数ペア:

[(1, 20427330), (2, 10213665), (3, 6809110), (5, 4085466), (6, 3404555), (7, 2918190), (10, 2042733), (11, 1857030), (14, 1459095), (15, 1361822), (21, 972730), (22, 928515), (30, 680911), (33, 619010), (35, 583638), (37, 552090), (42, 486365), (55, 371406), (66, 309505), (70, 291819), (74, 276045), (77, 265290), (105, 194546), (110, 185703), (111, 184030), (154, 132645), (165, 123802), (185, 110418), (210, 97273), (222, 92015), (231, 88430), (239, 85470), (259, 78870), (330, 61901), (370, 55209), (385, 53058), (407, 50190), (462, 44215), (478, 42735), (518, 39435), (555, 36806), (717, 28490), (770, 26529), (777, 26290), (814, 25095), (1110, 18403), (1155, 17686), (1195, 17094), (1221, 16730), (1295, 15774), (1434, 14245), (1554, 13145), (1673, 12210), (2035, 10038), (2310, 8843), (2390, 8547), (2442, 8365), (2590, 7887), (2629, 7770), (2849, 7170), (3346, 6105), (3585, 5698), (3885, 5258), (4070, 5019)]