20489310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2347}}^1$

素因数の和:2457

約数の個数: 48

約数和(自身を含む): 53844336

約数和(自身を除く): 33355026

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 194, 291, 485, 582, 873, 970, 1455, 1746, 2347, 2910, 4365, 4694, 7041, 8730, 11735, 14082, 21123, 23470, 35205, 42246, 70410, 105615, 211230, 227659, 455318, 682977, 1138295, 1365954, 2048931, 2276590, 3414885, 4097862, 6829770, 10244655, 20489310]

約数ペア:

[(1, 20489310), (2, 10244655), (3, 6829770), (5, 4097862), (6, 3414885), (9, 2276590), (10, 2048931), (15, 1365954), (18, 1138295), (30, 682977), (45, 455318), (90, 227659), (97, 211230), (194, 105615), (291, 70410), (485, 42246), (582, 35205), (873, 23470), (970, 21123), (1455, 14082), (1746, 11735), (2347, 8730), (2910, 7041), (4365, 4694)]