20938832

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3347}}^1$

素因数の和:3395

約数の個数: 40

約数和(自身を含む): 44836416

約数和(自身を除く): 23897584

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3128, 3347, 6256, 6694, 13388, 26776, 53552, 56899, 76981, 113798, 153962, 227596, 307924, 455192, 615848, 910384, 1231696, 1308677, 2617354, 5234708, 10469416, 20938832]

約数ペア:

[(1, 20938832), (2, 10469416), (4, 5234708), (8, 2617354), (16, 1308677), (17, 1231696), (23, 910384), (34, 615848), (46, 455192), (68, 307924), (92, 227596), (136, 153962), (184, 113798), (272, 76981), (368, 56899), (391, 53552), (782, 26776), (1564, 13388), (3128, 6694), (3347, 6256)]