20846694

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 49102848

約数和(自身を除く): 28256154

約数列:

[1, 2, 3, 6, 11, 22, 23, 31, 33, 46, 62, 66, 69, 93, 138, 186, 253, 341, 443, 506, 682, 713, 759, 886, 1023, 1329, 1426, 1518, 2046, 2139, 2658, 4278, 4873, 7843, 9746, 10189, 13733, 14619, 15686, 20378, 23529, 27466, 29238, 30567, 41199, 47058, 61134, 82398, 112079, 151063, 224158, 302126, 315859, 336237, 453189, 631718, 672474, 906378, 947577, 1895154, 3474449, 6948898, 10423347, 20846694]

約数ペア:

[(1, 20846694), (2, 10423347), (3, 6948898), (6, 3474449), (11, 1895154), (22, 947577), (23, 906378), (31, 672474), (33, 631718), (46, 453189), (62, 336237), (66, 315859), (69, 302126), (93, 224158), (138, 151063), (186, 112079), (253, 82398), (341, 61134), (443, 47058), (506, 41199), (682, 30567), (713, 29238), (759, 27466), (886, 23529), (1023, 20378), (1329, 15686), (1426, 14619), (1518, 13733), (2046, 10189), (2139, 9746), (2658, 7843), (4278, 4873)]