20974086

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55487}}^1$

素因数の和:55505

約数の個数: 32

約数和(自身を含む): 53268480

約数和(自身を除く): 32294394

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55487, 110974, 166461, 332922, 388409, 499383, 776818, 998766, 1165227, 1498149, 2330454, 2996298, 3495681, 6991362, 10487043, 20974086]

約数ペア:

[(1, 20974086), (2, 10487043), (3, 6991362), (6, 3495681), (7, 2996298), (9, 2330454), (14, 1498149), (18, 1165227), (21, 998766), (27, 776818), (42, 499383), (54, 388409), (63, 332922), (126, 166461), (189, 110974), (378, 55487)]