20871036208

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2237461}}^1$

素因数の和:2237533

約数の個数: 40

約数和(自身を含む): 44946136656

約数和(自身を除く): 24075100448

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 2332, 4664, 9328, 2237461, 4474922, 8949844, 17899688, 24612071, 35799376, 49224142, 98448284, 118585433, 196896568, 237170866, 393793136, 474341732, 948683464, 1304439763, 1897366928, 2608879526, 5217759052, 10435518104, 20871036208]

約数ペア:

[(1, 20871036208), (2, 10435518104), (4, 5217759052), (8, 2608879526), (11, 1897366928), (16, 1304439763), (22, 948683464), (44, 474341732), (53, 393793136), (88, 237170866), (106, 196896568), (176, 118585433), (212, 98448284), (424, 49224142), (583, 35799376), (848, 24612071), (1166, 17899688), (2332, 8949844), (4664, 4474922), (9328, 2237461)]