20492004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7727}}^1$

素因数の和:7764

約数の個数: 48

約数和(自身を含む): 54528768

約数和(自身を除く): 34036764

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7727, 15454, 23181, 30908, 46362, 92724, 100451, 131359, 200902, 262718, 301353, 394077, 401804, 525436, 602706, 788154, 1205412, 1576308, 1707667, 3415334, 5123001, 6830668, 10246002, 20492004]

約数ペア:

[(1, 20492004), (2, 10246002), (3, 6830668), (4, 5123001), (6, 3415334), (12, 1707667), (13, 1576308), (17, 1205412), (26, 788154), (34, 602706), (39, 525436), (51, 401804), (52, 394077), (68, 301353), (78, 262718), (102, 200902), (156, 131359), (204, 100451), (221, 92724), (442, 46362), (663, 30908), (884, 23181), (1326, 15454), (2652, 7727)]