20155846

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 34564320

約数和(自身を除く): 14408474

約数列:

[1, 2, 17, 19, 34, 38, 41, 82, 323, 646, 697, 761, 779, 1394, 1522, 1558, 12937, 13243, 14459, 25874, 26486, 28918, 31201, 62402, 245803, 491606, 530417, 592819, 1060834, 1185638, 10077923, 20155846]

約数ペア:

[(1, 20155846), (2, 10077923), (17, 1185638), (19, 1060834), (34, 592819), (38, 530417), (41, 491606), (82, 245803), (323, 62402), (646, 31201), (697, 28918), (761, 26486), (779, 25874), (1394, 14459), (1522, 13243), (1558, 12937)]