20212848

素因数分解:

$2^4\times 3^3\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:747

約数の個数: 80

約数和(自身を含む): 58924800

約数和(自身を除く): 38711952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 71, 72, 108, 142, 144, 213, 216, 284, 426, 432, 568, 639, 659, 852, 1136, 1278, 1318, 1704, 1917, 1977, 2556, 2636, 3408, 3834, 3954, 5112, 5272, 5931, 7668, 7908, 10224, 10544, 11862, 15336, 15816, 17793, 23724, 30672, 31632, 35586, 46789, 47448, 71172, 93578, 94896, 140367, 142344, 187156, 280734, 284688, 374312, 421101, 561468, 748624, 842202, 1122936, 1263303, 1684404, 2245872, 2526606, 3368808, 5053212, 6737616, 10106424, 20212848]

約数ペア:

[(1, 20212848), (2, 10106424), (3, 6737616), (4, 5053212), (6, 3368808), (8, 2526606), (9, 2245872), (12, 1684404), (16, 1263303), (18, 1122936), (24, 842202), (27, 748624), (36, 561468), (48, 421101), (54, 374312), (71, 284688), (72, 280734), (108, 187156), (142, 142344), (144, 140367), (213, 94896), (216, 93578), (284, 71172), (426, 47448), (432, 46789), (568, 35586), (639, 31632), (659, 30672), (852, 23724), (1136, 17793), (1278, 15816), (1318, 15336), (1704, 11862), (1917, 10544), (1977, 10224), (2556, 7908), (2636, 7668), (3408, 5931), (3834, 5272), (3954, 5112)]