20041538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1307}}^1$

素因数の和:1378

約数の個数: 32

約数和(自身を含む): 35598528

約数和(自身を除く): 15556990

約数列:

[1, 2, 11, 17, 22, 34, 41, 82, 187, 374, 451, 697, 902, 1307, 1394, 2614, 7667, 14377, 15334, 22219, 28754, 44438, 53587, 107174, 244409, 488818, 589457, 910979, 1178914, 1821958, 10020769, 20041538]

約数ペア:

[(1, 20041538), (2, 10020769), (11, 1821958), (17, 1178914), (22, 910979), (34, 589457), (41, 488818), (82, 244409), (187, 107174), (374, 53587), (451, 44438), (697, 28754), (902, 22219), (1307, 15334), (1394, 14377), (2614, 7667)]