20903669332

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1\times {\mathrm{2557}}^1$

素因数の和:3225

約数の個数: 96

約数和(自身を含む): 46334425088

約数和(自身を除く): 25430755756

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 481, 518, 607, 962, 1036, 1214, 1924, 2428, 2557, 3367, 4249, 5114, 6734, 7891, 8498, 10228, 13468, 15782, 16996, 17899, 22459, 31564, 33241, 35798, 44918, 55237, 66482, 71596, 89836, 94609, 110474, 132964, 157213, 189218, 220948, 232687, 291967, 314426, 378436, 465374, 583934, 628852, 662263, 930748, 1167868, 1229917, 1324526, 1552099, 2043769, 2459834, 2649052, 3104198, 4087538, 4919668, 6208396, 8175076, 8609419, 10864693, 17218838, 20177287, 21729386, 34437676, 40354574, 43458772, 57427663, 80709148, 114855326, 141241009, 229710652, 282482018, 401993641, 564964036, 746559619, 803987282, 1493119238, 1607974564, 2986238476, 5225917333, 10451834666, 20903669332]

約数ペア:

[(1, 20903669332), (2, 10451834666), (4, 5225917333), (7, 2986238476), (13, 1607974564), (14, 1493119238), (26, 803987282), (28, 746559619), (37, 564964036), (52, 401993641), (74, 282482018), (91, 229710652), (148, 141241009), (182, 114855326), (259, 80709148), (364, 57427663), (481, 43458772), (518, 40354574), (607, 34437676), (962, 21729386), (1036, 20177287), (1214, 17218838), (1924, 10864693), (2428, 8609419), (2557, 8175076), (3367, 6208396), (4249, 4919668), (5114, 4087538), (6734, 3104198), (7891, 2649052), (8498, 2459834), (10228, 2043769), (13468, 1552099), (15782, 1324526), (16996, 1229917), (17899, 1167868), (22459, 930748), (31564, 662263), (33241, 628852), (35798, 583934), (44918, 465374), (55237, 378436), (66482, 314426), (71596, 291967), (89836, 232687), (94609, 220948), (110474, 189218), (132964, 157213)]