20174645385

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{937}}^1$

素因数の和:1335

約数の個数: 96

約数和(自身を含む): 37169653248

約数和(自身を除く): 16995007863

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 71, 115, 207, 213, 293, 345, 355, 639, 879, 937, 1035, 1065, 1465, 1633, 2637, 2811, 3195, 4395, 4685, 4899, 6739, 8165, 8433, 13185, 14055, 14697, 20217, 20803, 21551, 24495, 33695, 42165, 60651, 62409, 64653, 66527, 73485, 101085, 104015, 107755, 187227, 193959, 199581, 274541, 303255, 312045, 323265, 332635, 478469, 598743, 823623, 936135, 969795, 997905, 1372705, 1435407, 1530121, 2392345, 2470869, 2993715, 4118115, 4306221, 4590363, 6314443, 7177035, 7650605, 12354345, 13771089, 18943329, 19492411, 21531105, 22951815, 31572215, 56829987, 58477233, 68855445, 94716645, 97462055, 175431699, 284149935, 292386165, 448325453, 877158495, 1344976359, 2241627265, 4034929077, 6724881795, 20174645385]

約数ペア:

[(1, 20174645385), (3, 6724881795), (5, 4034929077), (9, 2241627265), (15, 1344976359), (23, 877158495), (45, 448325453), (69, 292386165), (71, 284149935), (115, 175431699), (207, 97462055), (213, 94716645), (293, 68855445), (345, 58477233), (355, 56829987), (639, 31572215), (879, 22951815), (937, 21531105), (1035, 19492411), (1065, 18943329), (1465, 13771089), (1633, 12354345), (2637, 7650605), (2811, 7177035), (3195, 6314443), (4395, 4590363), (4685, 4306221), (4899, 4118115), (6739, 2993715), (8165, 2470869), (8433, 2392345), (13185, 1530121), (14055, 1435407), (14697, 1372705), (20217, 997905), (20803, 969795), (21551, 936135), (24495, 823623), (33695, 598743), (42165, 478469), (60651, 332635), (62409, 323265), (64653, 312045), (66527, 303255), (73485, 274541), (101085, 199581), (104015, 193959), (107755, 187227)]