20199665358

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{418889}}^1$

素因数の和:418966

約数の個数: 64

約数和(自身を含む): 48256128000

約数和(自身を除く): 28056462642

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 47, 54, 57, 94, 114, 141, 171, 282, 342, 423, 513, 846, 893, 1026, 1269, 1786, 2538, 2679, 5358, 8037, 16074, 24111, 48222, 418889, 837778, 1256667, 2513334, 3770001, 7540002, 7958891, 11310003, 15917782, 19687783, 22620006, 23876673, 39375566, 47753346, 59063349, 71630019, 118126698, 143260038, 177190047, 214890057, 354380094, 374067877, 429780114, 531570141, 748135754, 1063140282, 1122203631, 2244407262, 3366610893, 6733221786, 10099832679, 20199665358]

約数ペア:

[(1, 20199665358), (2, 10099832679), (3, 6733221786), (6, 3366610893), (9, 2244407262), (18, 1122203631), (19, 1063140282), (27, 748135754), (38, 531570141), (47, 429780114), (54, 374067877), (57, 354380094), (94, 214890057), (114, 177190047), (141, 143260038), (171, 118126698), (282, 71630019), (342, 59063349), (423, 47753346), (513, 39375566), (846, 23876673), (893, 22620006), (1026, 19687783), (1269, 15917782), (1786, 11310003), (2538, 7958891), (2679, 7540002), (5358, 3770001), (8037, 2513334), (16074, 1256667), (24111, 837778), (48222, 418889)]