20177409021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1\times {\mathrm{7247}}^1$

素因数の和:7994

約数の個数: 64

約数和(自身を含む): 35569704960

約数和(自身を除く): 15392295939

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 709, 1309, 2127, 3927, 4963, 7247, 7799, 12053, 14889, 21741, 23397, 36159, 50729, 54593, 79717, 84371, 123199, 132583, 152187, 163779, 239151, 253113, 369597, 397749, 558019, 862393, 928081, 1355189, 1674057, 2587179, 2784243, 4065567, 5138123, 9486323, 15414369, 28458969, 35966861, 56519353, 87348091, 107900583, 169558059, 262044273, 395635471, 611436637, 960829001, 1186906413, 1834309911, 2882487003, 6725803007, 20177409021]

約数ペア:

[(1, 20177409021), (3, 6725803007), (7, 2882487003), (11, 1834309911), (17, 1186906413), (21, 960829001), (33, 611436637), (51, 395635471), (77, 262044273), (119, 169558059), (187, 107900583), (231, 87348091), (357, 56519353), (561, 35966861), (709, 28458969), (1309, 15414369), (2127, 9486323), (3927, 5138123), (4963, 4065567), (7247, 2784243), (7799, 2587179), (12053, 1674057), (14889, 1355189), (21741, 928081), (23397, 862393), (36159, 558019), (50729, 397749), (54593, 369597), (79717, 253113), (84371, 239151), (123199, 163779), (132583, 152187)]