20667288

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 55353600

約数和(自身を除く): 34686312

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 61, 76, 114, 122, 152, 183, 228, 244, 366, 456, 488, 732, 743, 1159, 1464, 1486, 2229, 2318, 2972, 3477, 4458, 4636, 5944, 6954, 8916, 9272, 13908, 14117, 17832, 27816, 28234, 42351, 45323, 56468, 84702, 90646, 112936, 135969, 169404, 181292, 271938, 338808, 362584, 543876, 861137, 1087752, 1722274, 2583411, 3444548, 5166822, 6889096, 10333644, 20667288]

約数ペア:

[(1, 20667288), (2, 10333644), (3, 6889096), (4, 5166822), (6, 3444548), (8, 2583411), (12, 1722274), (19, 1087752), (24, 861137), (38, 543876), (57, 362584), (61, 338808), (76, 271938), (114, 181292), (122, 169404), (152, 135969), (183, 112936), (228, 90646), (244, 84702), (366, 56468), (456, 45323), (488, 42351), (732, 28234), (743, 27816), (1159, 17832), (1464, 14117), (1486, 13908), (2229, 9272), (2318, 8916), (2972, 6954), (3477, 5944), (4458, 4636)]