20178532323

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1\times {\mathrm{613}}^1$

素因数の和:1010

約数の個数: 80

約数和(自身を含む): 32326805280

約数和(自身を除く): 12148272957

約数列:

[1, 3, 9, 19, 27, 57, 73, 81, 171, 219, 293, 513, 613, 657, 879, 1387, 1539, 1839, 1971, 2637, 4161, 5517, 5567, 5913, 7911, 11647, 12483, 16551, 16701, 21389, 23733, 34941, 37449, 44749, 49653, 50103, 64167, 104823, 112347, 134247, 150309, 179609, 192501, 314469, 402741, 406391, 450927, 538827, 577503, 850231, 943407, 1208223, 1219173, 1616481, 1732509, 2550693, 3412571, 3624669, 3657519, 4849443, 7652079, 10237713, 10972557, 13111457, 14548329, 22956237, 30713139, 32917671, 39334371, 68868711, 92139417, 118003113, 249117683, 276418251, 354009339, 747353049, 1062028017, 2242059147, 6726177441, 20178532323]

約数ペア:

[(1, 20178532323), (3, 6726177441), (9, 2242059147), (19, 1062028017), (27, 747353049), (57, 354009339), (73, 276418251), (81, 249117683), (171, 118003113), (219, 92139417), (293, 68868711), (513, 39334371), (613, 32917671), (657, 30713139), (879, 22956237), (1387, 14548329), (1539, 13111457), (1839, 10972557), (1971, 10237713), (2637, 7652079), (4161, 4849443), (5517, 3657519), (5567, 3624669), (5913, 3412571), (7911, 2550693), (11647, 1732509), (12483, 1616481), (16551, 1219173), (16701, 1208223), (21389, 943407), (23733, 850231), (34941, 577503), (37449, 538827), (44749, 450927), (49653, 406391), (50103, 402741), (64167, 314469), (104823, 192501), (112347, 179609), (134247, 150309)]