20594718

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 72

約数和(自身を含む): 49137192

約数和(自身を除く): 28542474

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 37, 51, 74, 102, 107, 111, 153, 214, 222, 289, 306, 321, 333, 578, 629, 642, 666, 867, 963, 1258, 1734, 1819, 1887, 1926, 2601, 3638, 3774, 3959, 5202, 5457, 5661, 7918, 10693, 10914, 11322, 11877, 16371, 21386, 23754, 30923, 32079, 32742, 35631, 61846, 64158, 67303, 71262, 92769, 96237, 134606, 185538, 192474, 201909, 278307, 403818, 556614, 605727, 1144151, 1211454, 2288302, 3432453, 6864906, 10297359, 20594718]

約数ペア:

[(1, 20594718), (2, 10297359), (3, 6864906), (6, 3432453), (9, 2288302), (17, 1211454), (18, 1144151), (34, 605727), (37, 556614), (51, 403818), (74, 278307), (102, 201909), (107, 192474), (111, 185538), (153, 134606), (214, 96237), (222, 92769), (289, 71262), (306, 67303), (321, 64158), (333, 61846), (578, 35631), (629, 32742), (642, 32079), (666, 30923), (867, 23754), (963, 21386), (1258, 16371), (1734, 11877), (1819, 11322), (1887, 10914), (1926, 10693), (2601, 7918), (3638, 5661), (3774, 5457), (3959, 5202)]