20279808

素因数分解:

$2^9\times 3^5\times {\mathrm{163}}^1$

素因数の和:196

約数の個数: 120

約数和(自身を含む): 61069008

約数和(自身を除く): 40789200

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 163, 192, 216, 243, 256, 288, 324, 326, 384, 432, 486, 489, 512, 576, 648, 652, 768, 864, 972, 978, 1152, 1296, 1304, 1467, 1536, 1728, 1944, 1956, 2304, 2592, 2608, 2934, 3456, 3888, 3912, 4401, 4608, 5184, 5216, 5868, 6912, 7776, 7824, 8802, 10368, 10432, 11736, 13203, 13824, 15552, 15648, 17604, 20736, 20864, 23472, 26406, 31104, 31296, 35208, 39609, 41472, 41728, 46944, 52812, 62208, 62592, 70416, 79218, 83456, 93888, 105624, 124416, 125184, 140832, 158436, 187776, 211248, 250368, 281664, 316872, 375552, 422496, 563328, 633744, 751104, 844992, 1126656, 1267488, 1689984, 2253312, 2534976, 3379968, 5069952, 6759936, 10139904, 20279808]

約数ペア:

[(1, 20279808), (2, 10139904), (3, 6759936), (4, 5069952), (6, 3379968), (8, 2534976), (9, 2253312), (12, 1689984), (16, 1267488), (18, 1126656), (24, 844992), (27, 751104), (32, 633744), (36, 563328), (48, 422496), (54, 375552), (64, 316872), (72, 281664), (81, 250368), (96, 211248), (108, 187776), (128, 158436), (144, 140832), (162, 125184), (163, 124416), (192, 105624), (216, 93888), (243, 83456), (256, 79218), (288, 70416), (324, 62592), (326, 62208), (384, 52812), (432, 46944), (486, 41728), (489, 41472), (512, 39609), (576, 35208), (648, 31296), (652, 31104), (768, 26406), (864, 23472), (972, 20864), (978, 20736), (1152, 17604), (1296, 15648), (1304, 15552), (1467, 13824), (1536, 13203), (1728, 11736), (1944, 10432), (1956, 10368), (2304, 8802), (2592, 7824), (2608, 7776), (2934, 6912), (3456, 5868), (3888, 5216), (3912, 5184), (4401, 4608)]