20164189216

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1$

素因数の和:726

約数の個数: 96

約数和(自身を含む): 40879641600

約数和(自身を除く): 20715452384

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 167, 199, 268, 283, 334, 398, 536, 566, 668, 796, 1072, 1132, 1336, 1592, 2144, 2264, 2672, 3184, 4528, 5344, 6368, 9056, 11189, 13333, 18961, 22378, 26666, 33233, 37922, 44756, 47261, 53332, 56317, 66466, 75844, 89512, 94522, 106664, 112634, 132932, 151688, 179024, 189044, 213328, 225268, 265864, 303376, 358048, 378088, 426656, 450536, 531728, 606752, 756176, 901072, 1063456, 1512352, 1802144, 2226611, 3166487, 3773239, 4453222, 6332974, 7546478, 8906444, 9404939, 12665948, 15092956, 17812888, 18809878, 25331896, 30185912, 35625776, 37619756, 50663792, 60371824, 71251552, 75239512, 101327584, 120743648, 150479024, 300958048, 630130913, 1260261826, 2520523652, 5041047304, 10082094608, 20164189216]

約数ペア:

[(1, 20164189216), (2, 10082094608), (4, 5041047304), (8, 2520523652), (16, 1260261826), (32, 630130913), (67, 300958048), (134, 150479024), (167, 120743648), (199, 101327584), (268, 75239512), (283, 71251552), (334, 60371824), (398, 50663792), (536, 37619756), (566, 35625776), (668, 30185912), (796, 25331896), (1072, 18809878), (1132, 17812888), (1336, 15092956), (1592, 12665948), (2144, 9404939), (2264, 8906444), (2672, 7546478), (3184, 6332974), (4528, 4453222), (5344, 3773239), (6368, 3166487), (9056, 2226611), (11189, 1802144), (13333, 1512352), (18961, 1063456), (22378, 901072), (26666, 756176), (33233, 606752), (37922, 531728), (44756, 450536), (47261, 426656), (53332, 378088), (56317, 358048), (66466, 303376), (75844, 265864), (89512, 225268), (94522, 213328), (106664, 189044), (112634, 179024), (132932, 151688)]