20123375181

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{19403}}^1$

素因数の和:19586

約数の個数: 64

約数和(自身を含む): 34424248320

約数和(自身を除く): 14300873139

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 131, 203, 273, 377, 393, 609, 917, 1131, 1703, 2639, 2751, 3799, 5109, 7917, 11397, 11921, 19403, 26593, 35763, 49387, 58209, 79779, 135821, 148161, 252239, 345709, 407463, 562687, 756717, 1037127, 1688061, 1765673, 2541793, 3938809, 5297019, 7314931, 7625379, 11816427, 17792551, 21944793, 33043309, 51204517, 53377653, 73711997, 99129927, 153613551, 221135991, 231303163, 515983979, 693909489, 958255961, 1547951937, 2874767883, 6707791727, 20123375181]

約数ペア:

[(1, 20123375181), (3, 6707791727), (7, 2874767883), (13, 1547951937), (21, 958255961), (29, 693909489), (39, 515983979), (87, 231303163), (91, 221135991), (131, 153613551), (203, 99129927), (273, 73711997), (377, 53377653), (393, 51204517), (609, 33043309), (917, 21944793), (1131, 17792551), (1703, 11816427), (2639, 7625379), (2751, 7314931), (3799, 5297019), (5109, 3938809), (7917, 2541793), (11397, 1765673), (11921, 1688061), (19403, 1037127), (26593, 756717), (35763, 562687), (49387, 407463), (58209, 345709), (79779, 252239), (135821, 148161)]