20917582

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{491}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 17340338

約数列:

[1, 2, 7, 14, 17, 34, 119, 179, 238, 358, 491, 982, 1253, 2506, 3043, 3437, 6086, 6874, 8347, 16694, 21301, 42602, 58429, 87889, 116858, 175778, 615223, 1230446, 1494113, 2988226, 10458791, 20917582]

約数ペア:

[(1, 20917582), (2, 10458791), (7, 2988226), (14, 1494113), (17, 1230446), (34, 615223), (119, 175778), (179, 116858), (238, 87889), (358, 58429), (491, 42602), (982, 21301), (1253, 16694), (2506, 8347), (3043, 6874), (3437, 6086)]