20802577539

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{503}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 30349541376

約数和(自身を除く): 9546963837

約数列:

[1, 3, 23, 43, 53, 69, 129, 159, 263, 503, 789, 989, 1219, 1509, 2279, 2967, 3657, 6049, 6837, 11309, 11569, 13939, 18147, 21629, 26659, 33927, 34707, 41817, 52417, 64887, 79977, 132289, 157251, 260107, 320597, 396867, 497467, 599377, 613157, 780321, 961791, 1146337, 1492401, 1798131, 1839471, 3042647, 3439011, 5688427, 7011317, 9127941, 13785671, 17065281, 21033951, 26365751, 41357013, 79097253, 130833821, 161260291, 301486631, 392501463, 483780873, 904459893, 6934192513, 20802577539]

約数ペア:

[(1, 20802577539), (3, 6934192513), (23, 904459893), (43, 483780873), (53, 392501463), (69, 301486631), (129, 161260291), (159, 130833821), (263, 79097253), (503, 41357013), (789, 26365751), (989, 21033951), (1219, 17065281), (1509, 13785671), (2279, 9127941), (2967, 7011317), (3657, 5688427), (6049, 3439011), (6837, 3042647), (11309, 1839471), (11569, 1798131), (13939, 1492401), (18147, 1146337), (21629, 961791), (26659, 780321), (33927, 613157), (34707, 599377), (41817, 497467), (52417, 396867), (64887, 320597), (79977, 260107), (132289, 157251)]