20696208

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1951}}^1$

素因数の和:1992

約数の個数: 80

約数和(自身を含む): 60996096

約数和(自身を除く): 40299888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 442, 624, 663, 816, 884, 1326, 1768, 1951, 2652, 3536, 3902, 5304, 5853, 7804, 10608, 11706, 15608, 23412, 25363, 31216, 33167, 46824, 50726, 66334, 76089, 93648, 99501, 101452, 132668, 152178, 199002, 202904, 265336, 304356, 398004, 405808, 431171, 530672, 608712, 796008, 862342, 1217424, 1293513, 1592016, 1724684, 2587026, 3449368, 5174052, 6898736, 10348104, 20696208]

約数ペア:

[(1, 20696208), (2, 10348104), (3, 6898736), (4, 5174052), (6, 3449368), (8, 2587026), (12, 1724684), (13, 1592016), (16, 1293513), (17, 1217424), (24, 862342), (26, 796008), (34, 608712), (39, 530672), (48, 431171), (51, 405808), (52, 398004), (68, 304356), (78, 265336), (102, 202904), (104, 199002), (136, 152178), (156, 132668), (204, 101452), (208, 99501), (221, 93648), (272, 76089), (312, 66334), (408, 50726), (442, 46824), (624, 33167), (663, 31216), (816, 25363), (884, 23412), (1326, 15608), (1768, 11706), (1951, 10608), (2652, 7804), (3536, 5853), (3902, 5304)]