20381976

素因数分解:

$2^3\times 3^3\times {\mathrm{127}}^1\times {\mathrm{743}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 57139200

約数和(自身を除く): 36757224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 127, 216, 254, 381, 508, 743, 762, 1016, 1143, 1486, 1524, 2229, 2286, 2972, 3048, 3429, 4458, 4572, 5944, 6687, 6858, 8916, 9144, 13374, 13716, 17832, 20061, 26748, 27432, 40122, 53496, 80244, 94361, 160488, 188722, 283083, 377444, 566166, 754888, 849249, 1132332, 1698498, 2264664, 2547747, 3396996, 5095494, 6793992, 10190988, 20381976]

約数ペア:

[(1, 20381976), (2, 10190988), (3, 6793992), (4, 5095494), (6, 3396996), (8, 2547747), (9, 2264664), (12, 1698498), (18, 1132332), (24, 849249), (27, 754888), (36, 566166), (54, 377444), (72, 283083), (108, 188722), (127, 160488), (216, 94361), (254, 80244), (381, 53496), (508, 40122), (743, 27432), (762, 26748), (1016, 20061), (1143, 17832), (1486, 13716), (1524, 13374), (2229, 9144), (2286, 8916), (2972, 6858), (3048, 6687), (3429, 5944), (4458, 4572)]