20512990386

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{983}}^1\times {\mathrm{165617}}^1$

素因数の和:166615

約数の個数: 48

約数和(自身を含む): 50846050944

約数和(自身を除く): 30333060558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 983, 1966, 2949, 5898, 6881, 8847, 13762, 17694, 20643, 41286, 61929, 123858, 165617, 331234, 496851, 993702, 1159319, 1490553, 2318638, 2981106, 3477957, 6955914, 10433871, 20867742, 162801511, 325603022, 488404533, 976809066, 1139610577, 1465213599, 2279221154, 2930427198, 3418831731, 6837663462, 10256495193, 20512990386]

約数ペア:

[(1, 20512990386), (2, 10256495193), (3, 6837663462), (6, 3418831731), (7, 2930427198), (9, 2279221154), (14, 1465213599), (18, 1139610577), (21, 976809066), (42, 488404533), (63, 325603022), (126, 162801511), (983, 20867742), (1966, 10433871), (2949, 6955914), (5898, 3477957), (6881, 2981106), (8847, 2318638), (13762, 1490553), (17694, 1159319), (20643, 993702), (41286, 496851), (61929, 331234), (123858, 165617)]