20754576

素因数分解:

$2^4\times 3^3\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:573

約数の個数: 80

約数和(自身を含む): 60264000

約数和(自身を除く): 39509424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 107, 108, 144, 214, 216, 321, 428, 432, 449, 642, 856, 898, 963, 1284, 1347, 1712, 1796, 1926, 2568, 2694, 2889, 3592, 3852, 4041, 5136, 5388, 5778, 7184, 7704, 8082, 10776, 11556, 12123, 15408, 16164, 21552, 23112, 24246, 32328, 46224, 48043, 48492, 64656, 96086, 96984, 144129, 192172, 193968, 288258, 384344, 432387, 576516, 768688, 864774, 1153032, 1297161, 1729548, 2306064, 2594322, 3459096, 5188644, 6918192, 10377288, 20754576]

約数ペア:

[(1, 20754576), (2, 10377288), (3, 6918192), (4, 5188644), (6, 3459096), (8, 2594322), (9, 2306064), (12, 1729548), (16, 1297161), (18, 1153032), (24, 864774), (27, 768688), (36, 576516), (48, 432387), (54, 384344), (72, 288258), (107, 193968), (108, 192172), (144, 144129), (214, 96984), (216, 96086), (321, 64656), (428, 48492), (432, 48043), (449, 46224), (642, 32328), (856, 24246), (898, 23112), (963, 21552), (1284, 16164), (1347, 15408), (1712, 12123), (1796, 11556), (1926, 10776), (2568, 8082), (2694, 7704), (2889, 7184), (3592, 5778), (3852, 5388), (4041, 5136)]