20397412

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1667}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 44835840

約数和(自身を除く): 24438428

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 76, 92, 133, 161, 266, 322, 437, 532, 644, 874, 1667, 1748, 3059, 3334, 6118, 6668, 11669, 12236, 23338, 31673, 38341, 46676, 63346, 76682, 126692, 153364, 221711, 268387, 443422, 536774, 728479, 886844, 1073548, 1456958, 2913916, 5099353, 10198706, 20397412]

約数ペア:

[(1, 20397412), (2, 10198706), (4, 5099353), (7, 2913916), (14, 1456958), (19, 1073548), (23, 886844), (28, 728479), (38, 536774), (46, 443422), (76, 268387), (92, 221711), (133, 153364), (161, 126692), (266, 76682), (322, 63346), (437, 46676), (532, 38341), (644, 31673), (874, 23338), (1667, 12236), (1748, 11669), (3059, 6668), (3334, 6118)]