20088587727

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{3023}}^1$

素因数の和:3329

約数の個数: 72

約数和(自身を含む): 33409381824

約数和(自身を除く): 13320794097

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 169, 221, 257, 507, 663, 771, 1521, 1989, 2313, 2873, 3023, 3341, 4369, 8619, 9069, 10023, 13107, 25857, 27207, 30069, 39299, 39321, 43433, 51391, 56797, 117897, 130299, 154173, 170391, 353691, 390897, 462519, 510887, 511173, 668083, 738361, 776911, 1532661, 2004249, 2215083, 2330733, 4597983, 6012747, 6645249, 6992199, 8685079, 10099843, 13207487, 26055237, 30299529, 39622461, 78165711, 90898587, 118867383, 131297959, 171697331, 393893877, 515091993, 1181681631, 1545275979, 2232065303, 6696195909, 20088587727]

約数ペア:

[(1, 20088587727), (3, 6696195909), (9, 2232065303), (13, 1545275979), (17, 1181681631), (39, 515091993), (51, 393893877), (117, 171697331), (153, 131297959), (169, 118867383), (221, 90898587), (257, 78165711), (507, 39622461), (663, 30299529), (771, 26055237), (1521, 13207487), (1989, 10099843), (2313, 8685079), (2873, 6992199), (3023, 6645249), (3341, 6012747), (4369, 4597983), (8619, 2330733), (9069, 2215083), (10023, 2004249), (13107, 1532661), (25857, 776911), (27207, 738361), (30069, 668083), (39299, 511173), (39321, 510887), (43433, 462519), (51391, 390897), (56797, 353691), (117897, 170391), (130299, 154173)]