20030483380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2087}}^1\times {\mathrm{7867}}^1$

素因数の和:10024

約数の個数: 48

約数和(自身を含む): 42779511936

約数和(自身を除く): 22749028556

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2087, 4174, 7867, 8348, 10435, 15734, 20870, 31468, 39335, 41740, 78670, 127307, 157340, 254614, 479887, 509228, 636535, 959774, 1273070, 1919548, 2399435, 2546140, 4798870, 9597740, 16418429, 32836858, 65673716, 82092145, 164184290, 328368580, 1001524169, 2003048338, 4006096676, 5007620845, 10015241690, 20030483380]

約数ペア:

[(1, 20030483380), (2, 10015241690), (4, 5007620845), (5, 4006096676), (10, 2003048338), (20, 1001524169), (61, 328368580), (122, 164184290), (244, 82092145), (305, 65673716), (610, 32836858), (1220, 16418429), (2087, 9597740), (4174, 4798870), (7867, 2546140), (8348, 2399435), (10435, 1919548), (15734, 1273070), (20870, 959774), (31468, 636535), (39335, 509228), (41740, 479887), (78670, 254614), (127307, 157340)]