20045473708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{233}}^1\times {\mathrm{4583}}^1$

素因数の和:4871

約数の個数: 72

約数和(自身を含む): 40050829728

約数和(自身を除く): 20005356020

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 233, 247, 361, 466, 494, 722, 932, 988, 1444, 3029, 4427, 4583, 4693, 6058, 8854, 9166, 9386, 12116, 17708, 18332, 18772, 57551, 59579, 84113, 87077, 115102, 119158, 168226, 174154, 230204, 238316, 336452, 348308, 1067839, 1093469, 1132001, 1654463, 2135678, 2186938, 2264002, 3308926, 4271356, 4373876, 4528004, 6617852, 13881907, 20288941, 21508019, 27763814, 40577882, 43016038, 55527628, 81155764, 86032076, 263756233, 385489879, 527512466, 770979758, 1055024932, 1541959516, 5011368427, 10022736854, 20045473708]

約数ペア:

[(1, 20045473708), (2, 10022736854), (4, 5011368427), (13, 1541959516), (19, 1055024932), (26, 770979758), (38, 527512466), (52, 385489879), (76, 263756233), (233, 86032076), (247, 81155764), (361, 55527628), (466, 43016038), (494, 40577882), (722, 27763814), (932, 21508019), (988, 20288941), (1444, 13881907), (3029, 6617852), (4427, 4528004), (4583, 4373876), (4693, 4271356), (6058, 3308926), (8854, 2264002), (9166, 2186938), (9386, 2135678), (12116, 1654463), (17708, 1132001), (18332, 1093469), (18772, 1067839), (57551, 348308), (59579, 336452), (84113, 238316), (87077, 230204), (115102, 174154), (119158, 168226)]