20445810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:248

約数の個数: 128

約数和(自身を含む): 62705664

約数和(自身を除く): 42259854

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 53, 55, 66, 70, 77, 105, 106, 110, 154, 159, 165, 167, 210, 231, 265, 318, 330, 334, 371, 385, 462, 501, 530, 583, 742, 770, 795, 835, 1002, 1113, 1155, 1166, 1169, 1590, 1670, 1749, 1837, 1855, 2226, 2310, 2338, 2505, 2915, 3498, 3507, 3674, 3710, 4081, 5010, 5511, 5565, 5830, 5845, 7014, 8162, 8745, 8851, 9185, 11022, 11130, 11690, 12243, 12859, 17490, 17535, 17702, 18370, 20405, 24486, 25718, 26553, 27555, 35070, 38577, 40810, 44255, 53106, 55110, 61215, 61957, 64295, 77154, 88510, 97361, 122430, 123914, 128590, 132765, 185871, 192885, 194722, 265530, 292083, 309785, 371742, 385770, 486805, 584166, 619570, 681527, 929355, 973610, 1363054, 1460415, 1858710, 2044581, 2920830, 3407635, 4089162, 6815270, 10222905, 20445810]

約数ペア:

[(1, 20445810), (2, 10222905), (3, 6815270), (5, 4089162), (6, 3407635), (7, 2920830), (10, 2044581), (11, 1858710), (14, 1460415), (15, 1363054), (21, 973610), (22, 929355), (30, 681527), (33, 619570), (35, 584166), (42, 486805), (53, 385770), (55, 371742), (66, 309785), (70, 292083), (77, 265530), (105, 194722), (106, 192885), (110, 185871), (154, 132765), (159, 128590), (165, 123914), (167, 122430), (210, 97361), (231, 88510), (265, 77154), (318, 64295), (330, 61957), (334, 61215), (371, 55110), (385, 53106), (462, 44255), (501, 40810), (530, 38577), (583, 35070), (742, 27555), (770, 26553), (795, 25718), (835, 24486), (1002, 20405), (1113, 18370), (1155, 17702), (1166, 17535), (1169, 17490), (1590, 12859), (1670, 12243), (1749, 11690), (1837, 11130), (1855, 11022), (2226, 9185), (2310, 8851), (2338, 8745), (2505, 8162), (2915, 7014), (3498, 5845), (3507, 5830), (3674, 5565), (3710, 5511), (4081, 5010)]