20163826815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{10487}}^1$

素因数の和:10820

約数の個数: 64

約数和(自身を含む): 36149870592

約数和(自身を除く): 15986043777

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 271, 473, 645, 813, 1355, 1419, 2365, 2981, 4065, 7095, 8943, 10487, 11653, 14905, 31461, 34959, 44715, 52435, 58265, 115357, 128183, 157305, 174795, 346071, 384549, 450941, 576785, 640915, 1352823, 1730355, 1922745, 2254705, 2841977, 4960351, 6764115, 8525931, 14209885, 14881053, 24801755, 31261747, 42629655, 74405265, 93785241, 122205011, 156308735, 366615033, 468926205, 611025055, 1344255121, 1833075165, 4032765363, 6721275605, 20163826815]

約数ペア:

[(1, 20163826815), (3, 6721275605), (5, 4032765363), (11, 1833075165), (15, 1344255121), (33, 611025055), (43, 468926205), (55, 366615033), (129, 156308735), (165, 122205011), (215, 93785241), (271, 74405265), (473, 42629655), (645, 31261747), (813, 24801755), (1355, 14881053), (1419, 14209885), (2365, 8525931), (2981, 6764115), (4065, 4960351), (7095, 2841977), (8943, 2254705), (10487, 1922745), (11653, 1730355), (14905, 1352823), (31461, 640915), (34959, 576785), (44715, 450941), (52435, 384549), (58265, 346071), (115357, 174795), (128183, 157305)]