20028448

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3347}}^1$

素因数の和:3385

約数の個数: 48

約数和(自身を含む): 45559584

約数和(自身を除く): 25531136

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3347, 5984, 6694, 13388, 26776, 36817, 53552, 56899, 73634, 107104, 113798, 147268, 227596, 294536, 455192, 589072, 625889, 910384, 1178144, 1251778, 1820768, 2503556, 5007112, 10014224, 20028448]

約数ペア:

[(1, 20028448), (2, 10014224), (4, 5007112), (8, 2503556), (11, 1820768), (16, 1251778), (17, 1178144), (22, 910384), (32, 625889), (34, 589072), (44, 455192), (68, 294536), (88, 227596), (136, 147268), (176, 113798), (187, 107104), (272, 73634), (352, 56899), (374, 53552), (544, 36817), (748, 26776), (1496, 13388), (2992, 6694), (3347, 5984)]