20122592368

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73980119}}^1$

素因数の和:73980144

約数の個数: 20

約数和(自身を含む): 41280906960

約数和(自身を除く): 21158314592

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73980119, 147960238, 295920476, 591840952, 1183681904, 1257662023, 2515324046, 5030648092, 10061296184, 20122592368]

約数ペア:

[(1, 20122592368), (2, 10061296184), (4, 5030648092), (8, 2515324046), (16, 1257662023), (17, 1183681904), (34, 591840952), (68, 295920476), (136, 147960238), (272, 73980119)]