20921696

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38459}}^1$

素因数の和:38486

約数の個数: 24

約数和(自身を含む): 43613640

約数和(自身を除く): 22691944

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38459, 76918, 153836, 307672, 615344, 653803, 1230688, 1307606, 2615212, 5230424, 10460848, 20921696]

約数ペア:

[(1, 20921696), (2, 10460848), (4, 5230424), (8, 2615212), (16, 1307606), (17, 1230688), (32, 653803), (34, 615344), (68, 307672), (136, 153836), (272, 76918), (544, 38459)]