20906310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 53706240

約数和(自身を除く): 32799930

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 41, 46, 69, 82, 115, 123, 138, 205, 230, 246, 345, 410, 615, 690, 739, 943, 1230, 1478, 1886, 2217, 2829, 3695, 4434, 4715, 5658, 7390, 9430, 11085, 14145, 16997, 22170, 28290, 30299, 33994, 50991, 60598, 84985, 90897, 101982, 151495, 169970, 181794, 254955, 302990, 454485, 509910, 696877, 908970, 1393754, 2090631, 3484385, 4181262, 6968770, 10453155, 20906310]

約数ペア:

[(1, 20906310), (2, 10453155), (3, 6968770), (5, 4181262), (6, 3484385), (10, 2090631), (15, 1393754), (23, 908970), (30, 696877), (41, 509910), (46, 454485), (69, 302990), (82, 254955), (115, 181794), (123, 169970), (138, 151495), (205, 101982), (230, 90897), (246, 84985), (345, 60598), (410, 50991), (615, 33994), (690, 30299), (739, 28290), (943, 22170), (1230, 16997), (1478, 14145), (1886, 11085), (2217, 9430), (2829, 7390), (3695, 5658), (4434, 4715)]