20211130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1949}}^1$

素因数の和:2034

約数の個数: 32

約数和(自身を含む): 39171600

約数和(自身を除く): 18960470

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 1949, 2074, 3898, 5185, 9745, 10370, 19490, 33133, 66266, 118889, 165665, 237778, 331330, 594445, 1188890, 2021113, 4042226, 10105565, 20211130]

約数ペア:

[(1, 20211130), (2, 10105565), (5, 4042226), (10, 2021113), (17, 1188890), (34, 594445), (61, 331330), (85, 237778), (122, 165665), (170, 118889), (305, 66266), (610, 33133), (1037, 19490), (1949, 10370), (2074, 9745), (3898, 5185)]