20814806698

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1973}}^1\times {\mathrm{2333}}^1$

素因数の和:4351

約数の個数: 64

約数和(自身を含む): 39807210240

約数和(自身を除く): 18992403542

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 1973, 2261, 2333, 3946, 4522, 4666, 13811, 16331, 27622, 32662, 33541, 37487, 39661, 44327, 67082, 74974, 79322, 88654, 234787, 262409, 277627, 310289, 469574, 524818, 555254, 620578, 637279, 753559, 1274558, 1507118, 4460953, 4603009, 5274913, 8921906, 9206018, 10549826, 32221063, 64442126, 78251153, 87457171, 156502306, 174914342, 547758071, 612200197, 1095516142, 1224400394, 1486771907, 2973543814, 10407403349, 20814806698]

約数ペア:

[(1, 20814806698), (2, 10407403349), (7, 2973543814), (14, 1486771907), (17, 1224400394), (19, 1095516142), (34, 612200197), (38, 547758071), (119, 174914342), (133, 156502306), (238, 87457171), (266, 78251153), (323, 64442126), (646, 32221063), (1973, 10549826), (2261, 9206018), (2333, 8921906), (3946, 5274913), (4522, 4603009), (4666, 4460953), (13811, 1507118), (16331, 1274558), (27622, 753559), (32662, 637279), (33541, 620578), (37487, 555254), (39661, 524818), (44327, 469574), (67082, 310289), (74974, 277627), (79322, 262409), (88654, 234787)]