20618226

素因数分解:

$2^1\times 3^4\times {\mathrm{137}}^1\times {\mathrm{929}}^1$

素因数の和:1080

約数の個数: 40

約数和(自身を含む): 46587420

約数和(自身を除く): 25969194

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 137, 162, 274, 411, 822, 929, 1233, 1858, 2466, 2787, 3699, 5574, 7398, 8361, 11097, 16722, 22194, 25083, 50166, 75249, 127273, 150498, 254546, 381819, 763638, 1145457, 2290914, 3436371, 6872742, 10309113, 20618226]

約数ペア:

[(1, 20618226), (2, 10309113), (3, 6872742), (6, 3436371), (9, 2290914), (18, 1145457), (27, 763638), (54, 381819), (81, 254546), (137, 150498), (162, 127273), (274, 75249), (411, 50166), (822, 25083), (929, 22194), (1233, 16722), (1858, 11097), (2466, 8361), (2787, 7398), (3699, 5574)]