20731097156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{3371}}^1$

素因数の和:3921

約数の個数: 96

約数和(自身を含む): 46443608064

約数和(自身を除く): 25712510908

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 487, 574, 902, 974, 1148, 1804, 1948, 3157, 3371, 3409, 5357, 6314, 6742, 6818, 10714, 12628, 13484, 13636, 19967, 21428, 23597, 37081, 37499, 39934, 47194, 74162, 74998, 79868, 94388, 138211, 139769, 148324, 149996, 219637, 259567, 276422, 279538, 439274, 519134, 552844, 559076, 878548, 967477, 1038268, 1520321, 1537459, 1641677, 1934954, 3040642, 3074918, 3283354, 3869908, 6081284, 6149836, 6566708, 10642247, 11491739, 18058447, 21284494, 22983478, 36116894, 42568988, 45966956, 67308757, 72233788, 126409129, 134617514, 252818258, 269235028, 471161299, 505636516, 740396327, 942322598, 1480792654, 1884645196, 2961585308, 5182774289, 10365548578, 20731097156]

約数ペア:

[(1, 20731097156), (2, 10365548578), (4, 5182774289), (7, 2961585308), (11, 1884645196), (14, 1480792654), (22, 942322598), (28, 740396327), (41, 505636516), (44, 471161299), (77, 269235028), (82, 252818258), (154, 134617514), (164, 126409129), (287, 72233788), (308, 67308757), (451, 45966956), (487, 42568988), (574, 36116894), (902, 22983478), (974, 21284494), (1148, 18058447), (1804, 11491739), (1948, 10642247), (3157, 6566708), (3371, 6149836), (3409, 6081284), (5357, 3869908), (6314, 3283354), (6742, 3074918), (6818, 3040642), (10714, 1934954), (12628, 1641677), (13484, 1537459), (13636, 1520321), (19967, 1038268), (21428, 967477), (23597, 878548), (37081, 559076), (37499, 552844), (39934, 519134), (47194, 439274), (74162, 279538), (74998, 276422), (79868, 259567), (94388, 219637), (138211, 149996), (139769, 148324)]