20343398404

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{487}}^1\times {\mathrm{3181}}^1$

素因数の和:3753

約数の個数: 72

約数和(自身を含む): 42131003712

約数和(自身を除く): 21787605308

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 469, 487, 938, 974, 1876, 1948, 3181, 3283, 3409, 6362, 6566, 6818, 12724, 13132, 13636, 22267, 23863, 32629, 44534, 47726, 65258, 89068, 95452, 130516, 155869, 213127, 228403, 311738, 426254, 456806, 623476, 852508, 913612, 1491889, 1549147, 1598821, 2983778, 3098294, 3197642, 5967556, 6196588, 6395284, 10443223, 10844029, 20886446, 21688058, 41772892, 43376116, 75908203, 103792849, 151816406, 207585698, 303632812, 415171396, 726549943, 1453099886, 2906199772, 5085849601, 10171699202, 20343398404]

約数ペア:

[(1, 20343398404), (2, 10171699202), (4, 5085849601), (7, 2906199772), (14, 1453099886), (28, 726549943), (49, 415171396), (67, 303632812), (98, 207585698), (134, 151816406), (196, 103792849), (268, 75908203), (469, 43376116), (487, 41772892), (938, 21688058), (974, 20886446), (1876, 10844029), (1948, 10443223), (3181, 6395284), (3283, 6196588), (3409, 5967556), (6362, 3197642), (6566, 3098294), (6818, 2983778), (12724, 1598821), (13132, 1549147), (13636, 1491889), (22267, 913612), (23863, 852508), (32629, 623476), (44534, 456806), (47726, 426254), (65258, 311738), (89068, 228403), (95452, 213127), (130516, 155869)]