20997804954

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1613}}^1\times {\mathrm{8377}}^1$

素因数の和:10039

約数の個数: 64

約数和(自身を含む): 49328591616

約数和(自身を除く): 28330786662

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 1613, 3226, 4839, 8377, 9678, 11291, 16754, 22582, 25131, 33873, 50262, 58639, 59681, 67746, 117278, 119362, 175917, 179043, 309949, 351834, 358086, 417767, 619898, 835534, 929847, 1253301, 1859694, 2169643, 2506602, 4339286, 6508929, 13017858, 13512101, 27024202, 40536303, 81072606, 94584707, 189169414, 283754121, 499947737, 567508242, 999895474, 1499843211, 2999686422, 3499634159, 6999268318, 10498902477, 20997804954]

約数ペア:

[(1, 20997804954), (2, 10498902477), (3, 6999268318), (6, 3499634159), (7, 2999686422), (14, 1499843211), (21, 999895474), (37, 567508242), (42, 499947737), (74, 283754121), (111, 189169414), (222, 94584707), (259, 81072606), (518, 40536303), (777, 27024202), (1554, 13512101), (1613, 13017858), (3226, 6508929), (4839, 4339286), (8377, 2506602), (9678, 2169643), (11291, 1859694), (16754, 1253301), (22582, 929847), (25131, 835534), (33873, 619898), (50262, 417767), (58639, 358086), (59681, 351834), (67746, 309949), (117278, 179043), (119362, 175917)]