20056574187

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{3191}}^1$

素因数の和:3390

約数の個数: 80

約数和(自身を含む): 33222131712

約数和(自身を除く): 13165557525

約数列:

[1, 3, 9, 13, 27, 39, 47, 81, 117, 127, 141, 351, 381, 423, 611, 1053, 1143, 1269, 1651, 1833, 3191, 3429, 3807, 4953, 5499, 5969, 9573, 10287, 14859, 16497, 17907, 28719, 41483, 44577, 49491, 53721, 77597, 86157, 124449, 133731, 149977, 161163, 232791, 258471, 373347, 405257, 449931, 483489, 698373, 1120041, 1215771, 1349793, 1949701, 2095119, 3360123, 3647313, 4049379, 5268341, 5849103, 6285357, 10941939, 12148137, 15805023, 17547309, 19047079, 32825817, 47415069, 52641927, 57141237, 142245207, 157925781, 171423711, 247612027, 426735621, 514271133, 742836081, 1542813399, 2228508243, 6685524729, 20056574187]

約数ペア:

[(1, 20056574187), (3, 6685524729), (9, 2228508243), (13, 1542813399), (27, 742836081), (39, 514271133), (47, 426735621), (81, 247612027), (117, 171423711), (127, 157925781), (141, 142245207), (351, 57141237), (381, 52641927), (423, 47415069), (611, 32825817), (1053, 19047079), (1143, 17547309), (1269, 15805023), (1651, 12148137), (1833, 10941939), (3191, 6285357), (3429, 5849103), (3807, 5268341), (4953, 4049379), (5499, 3647313), (5969, 3360123), (9573, 2095119), (10287, 1949701), (14859, 1349793), (16497, 1215771), (17907, 1120041), (28719, 698373), (41483, 483489), (44577, 449931), (49491, 405257), (53721, 373347), (77597, 258471), (86157, 232791), (124449, 161163), (133731, 149977)]