20157488073

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1\times {\mathrm{457}}^1$

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 29738943936

約数和(自身を除く): 9581455863

約数列:

[1, 3, 9, 107, 163, 281, 321, 457, 489, 843, 963, 1371, 1467, 2529, 4113, 17441, 30067, 45803, 48899, 52323, 74491, 90201, 128417, 137409, 146697, 156969, 223473, 270603, 385251, 412227, 440091, 670419, 1155753, 4900921, 7970537, 13740619, 14702763, 20931971, 23911611, 41221857, 44108289, 62795913, 71734833, 123665571, 188387739, 2239720897, 6719162691, 20157488073]

約数ペア:

[(1, 20157488073), (3, 6719162691), (9, 2239720897), (107, 188387739), (163, 123665571), (281, 71734833), (321, 62795913), (457, 44108289), (489, 41221857), (843, 23911611), (963, 20931971), (1371, 14702763), (1467, 13740619), (2529, 7970537), (4113, 4900921), (17441, 1155753), (30067, 670419), (45803, 440091), (48899, 412227), (52323, 385251), (74491, 270603), (90201, 223473), (128417, 156969), (137409, 146697)]