20896372016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{10691}}^1\times {\mathrm{9397}}^1$

素因数の和:20109

約数の個数: 40

約数和(自身を含む): 43609802544

約数和(自身を除く): 22713430528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9397, 10691, 18794, 21382, 37588, 42764, 75176, 85528, 122161, 138983, 150352, 171056, 244322, 277966, 488644, 555932, 977288, 1111864, 1954576, 2223728, 100463327, 200926654, 401853308, 803706616, 1306023251, 1607413232, 2612046502, 5224093004, 10448186008, 20896372016]

約数ペア:

[(1, 20896372016), (2, 10448186008), (4, 5224093004), (8, 2612046502), (13, 1607413232), (16, 1306023251), (26, 803706616), (52, 401853308), (104, 200926654), (208, 100463327), (9397, 2223728), (10691, 1954576), (18794, 1111864), (21382, 977288), (37588, 555932), (42764, 488644), (75176, 277966), (85528, 244322), (122161, 171056), (138983, 150352)]