20825862

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 25622778

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 71, 83, 93, 114, 142, 166, 186, 213, 249, 426, 498, 589, 1178, 1349, 1577, 1767, 2201, 2573, 2698, 3154, 3534, 4047, 4402, 4731, 5146, 5893, 6603, 7719, 8094, 9462, 11786, 13206, 15438, 17679, 35358, 41819, 48887, 83638, 97774, 111967, 125457, 146661, 182683, 223934, 250914, 293322, 335901, 365366, 548049, 671802, 1096098, 3470977, 6941954, 10412931, 20825862]

約数ペア:

[(1, 20825862), (2, 10412931), (3, 6941954), (6, 3470977), (19, 1096098), (31, 671802), (38, 548049), (57, 365366), (62, 335901), (71, 293322), (83, 250914), (93, 223934), (114, 182683), (142, 146661), (166, 125457), (186, 111967), (213, 97774), (249, 83638), (426, 48887), (498, 41819), (589, 35358), (1178, 17679), (1349, 15438), (1577, 13206), (1767, 11786), (2201, 9462), (2573, 8094), (2698, 7719), (3154, 6603), (3534, 5893), (4047, 5146), (4402, 4731)]