16920596

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 37279872

約数和(自身を除く): 20359276

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 137, 154, 274, 308, 401, 548, 802, 959, 1507, 1604, 1918, 2807, 3014, 3836, 4411, 5614, 6028, 8822, 10549, 11228, 17644, 21098, 30877, 42196, 54937, 61754, 109874, 123508, 219748, 384559, 604307, 769118, 1208614, 1538236, 2417228, 4230149, 8460298, 16920596]

約数ペア:

[(1, 16920596), (2, 8460298), (4, 4230149), (7, 2417228), (11, 1538236), (14, 1208614), (22, 769118), (28, 604307), (44, 384559), (77, 219748), (137, 123508), (154, 109874), (274, 61754), (308, 54937), (401, 42196), (548, 30877), (802, 21098), (959, 17644), (1507, 11228), (1604, 10549), (1918, 8822), (2807, 6028), (3014, 5614), (3836, 4411)]