20773728

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{4243}}^1$

素因数の和:4276

約数の個数: 72

約数和(自身を含む): 62565048

約数和(自身を除く): 41791320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 272, 288, 306, 408, 544, 612, 816, 1224, 1632, 2448, 4243, 4896, 8486, 12729, 16972, 25458, 33944, 38187, 50916, 67888, 72131, 76374, 101832, 135776, 144262, 152748, 203664, 216393, 288524, 305496, 407328, 432786, 577048, 610992, 649179, 865572, 1154096, 1221984, 1298358, 1731144, 2308192, 2596716, 3462288, 5193432, 6924576, 10386864, 20773728]

約数ペア:

[(1, 20773728), (2, 10386864), (3, 6924576), (4, 5193432), (6, 3462288), (8, 2596716), (9, 2308192), (12, 1731144), (16, 1298358), (17, 1221984), (18, 1154096), (24, 865572), (32, 649179), (34, 610992), (36, 577048), (48, 432786), (51, 407328), (68, 305496), (72, 288524), (96, 216393), (102, 203664), (136, 152748), (144, 144262), (153, 135776), (204, 101832), (272, 76374), (288, 72131), (306, 67888), (408, 50916), (544, 38187), (612, 33944), (816, 25458), (1224, 16972), (1632, 12729), (2448, 8486), (4243, 4896)]