20193973904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{5039}}^1\times {\mathrm{19267}}^1$

素因数の和:24327

約数の個数: 40

約数和(自身を含む): 42146052480

約数和(自身を除く): 21952078576

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 5039, 10078, 19267, 20156, 38534, 40312, 65507, 77068, 80624, 131014, 154136, 250471, 262028, 308272, 500942, 524056, 1001884, 1048112, 2003768, 4007536, 97086413, 194172826, 388345652, 776691304, 1262123369, 1553382608, 2524246738, 5048493476, 10096986952, 20193973904]

約数ペア:

[(1, 20193973904), (2, 10096986952), (4, 5048493476), (8, 2524246738), (13, 1553382608), (16, 1262123369), (26, 776691304), (52, 388345652), (104, 194172826), (208, 97086413), (5039, 4007536), (10078, 2003768), (19267, 1048112), (20156, 1001884), (38534, 524056), (40312, 500942), (65507, 308272), (77068, 262028), (80624, 250471), (131014, 154136)]