20945156988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1\times {\mathrm{6679}}^1$

素因数の和:7739

約数の個数: 96

約数和(自身を含む): 57428761600

約数和(自身を除く): 36483604612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1009, 1036, 1554, 2018, 3027, 3108, 4036, 6054, 6679, 7063, 12108, 13358, 14126, 20037, 21189, 26716, 28252, 37333, 40074, 42378, 46753, 74666, 80148, 84756, 93506, 111999, 140259, 149332, 187012, 223998, 247123, 261331, 280518, 447996, 494246, 522662, 561036, 741369, 783993, 988492, 1045324, 1482738, 1567986, 1729861, 2965476, 3135972, 3459722, 5189583, 6739111, 6919444, 10379166, 13478222, 20217333, 20758332, 26956444, 40434666, 47173777, 80869332, 94347554, 141521331, 188695108, 249347107, 283042662, 498694214, 566085324, 748041321, 997388428, 1496082642, 1745429749, 2992165284, 3490859498, 5236289247, 6981718996, 10472578494, 20945156988]

約数ペア:

[(1, 20945156988), (2, 10472578494), (3, 6981718996), (4, 5236289247), (6, 3490859498), (7, 2992165284), (12, 1745429749), (14, 1496082642), (21, 997388428), (28, 748041321), (37, 566085324), (42, 498694214), (74, 283042662), (84, 249347107), (111, 188695108), (148, 141521331), (222, 94347554), (259, 80869332), (444, 47173777), (518, 40434666), (777, 26956444), (1009, 20758332), (1036, 20217333), (1554, 13478222), (2018, 10379166), (3027, 6919444), (3108, 6739111), (4036, 5189583), (6054, 3459722), (6679, 3135972), (7063, 2965476), (12108, 1729861), (13358, 1567986), (14126, 1482738), (20037, 1045324), (21189, 988492), (26716, 783993), (28252, 741369), (37333, 561036), (40074, 522662), (42378, 494246), (46753, 447996), (74666, 280518), (80148, 261331), (84756, 247123), (93506, 223998), (111999, 187012), (140259, 149332)]