20156568145

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{859}}^1\times {\mathrm{5279}}^1$

素因数の和:6277

約数の個数: 32

約数和(自身を含む): 27898675200

約数和(自身を除く): 7742107055

約数列:

[1, 5, 7, 35, 127, 635, 859, 889, 4295, 4445, 5279, 6013, 26395, 30065, 36953, 109093, 184765, 545465, 670433, 763651, 3352165, 3818255, 4534661, 4693031, 22673305, 23465155, 31742627, 158713135, 575901947, 2879509735, 4031313629, 20156568145]

約数ペア:

[(1, 20156568145), (5, 4031313629), (7, 2879509735), (35, 575901947), (127, 158713135), (635, 31742627), (859, 23465155), (889, 22673305), (4295, 4693031), (4445, 4534661), (5279, 3818255), (6013, 3352165), (26395, 763651), (30065, 670433), (36953, 545465), (109093, 184765)]