20868232

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1783}}^1$

素因数の和:1826

約数の個数: 64

約数和(自身を含む): 51379200

約数和(自身を除く): 30510968

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 133, 152, 154, 209, 266, 308, 418, 532, 616, 836, 1064, 1463, 1672, 1783, 2926, 3566, 5852, 7132, 11704, 12481, 14264, 19613, 24962, 33877, 39226, 49924, 67754, 78452, 99848, 135508, 137291, 156904, 237139, 271016, 274582, 372647, 474278, 549164, 745294, 948556, 1098328, 1490588, 1897112, 2608529, 2981176, 5217058, 10434116, 20868232]

約数ペア:

[(1, 20868232), (2, 10434116), (4, 5217058), (7, 2981176), (8, 2608529), (11, 1897112), (14, 1490588), (19, 1098328), (22, 948556), (28, 745294), (38, 549164), (44, 474278), (56, 372647), (76, 274582), (77, 271016), (88, 237139), (133, 156904), (152, 137291), (154, 135508), (209, 99848), (266, 78452), (308, 67754), (418, 49924), (532, 39226), (616, 33877), (836, 24962), (1064, 19613), (1463, 14264), (1672, 12481), (1783, 11704), (2926, 7132), (3566, 5852)]