20926048

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 51438240

約数和(自身を除く): 30512192

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 32, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 269, 272, 286, 352, 374, 416, 442, 538, 544, 572, 748, 884, 1076, 1144, 1496, 1768, 2152, 2288, 2431, 2959, 2992, 3497, 3536, 4304, 4573, 4576, 4862, 5918, 5984, 6994, 7072, 8608, 9146, 9724, 11836, 13988, 18292, 19448, 23672, 27976, 36584, 38467, 38896, 47344, 50303, 55952, 59449, 73168, 76934, 77792, 94688, 100606, 111904, 118898, 146336, 153868, 201212, 237796, 307736, 402424, 475592, 615472, 653939, 804848, 951184, 1230944, 1307878, 1609696, 1902368, 2615756, 5231512, 10463024, 20926048]

約数ペア:

[(1, 20926048), (2, 10463024), (4, 5231512), (8, 2615756), (11, 1902368), (13, 1609696), (16, 1307878), (17, 1230944), (22, 951184), (26, 804848), (32, 653939), (34, 615472), (44, 475592), (52, 402424), (68, 307736), (88, 237796), (104, 201212), (136, 153868), (143, 146336), (176, 118898), (187, 111904), (208, 100606), (221, 94688), (269, 77792), (272, 76934), (286, 73168), (352, 59449), (374, 55952), (416, 50303), (442, 47344), (538, 38896), (544, 38467), (572, 36584), (748, 27976), (884, 23672), (1076, 19448), (1144, 18292), (1496, 13988), (1768, 11836), (2152, 9724), (2288, 9146), (2431, 8608), (2959, 7072), (2992, 6994), (3497, 5984), (3536, 5918), (4304, 4862), (4573, 4576)]