20157361917

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{3863}}^1$

素因数の和:4359

約数の個数: 64

約数和(自身を含む): 34275225600

約数和(自身を除く): 14117863683

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 343, 461, 539, 1029, 1383, 1617, 3227, 3773, 3863, 5071, 9681, 11319, 11589, 15213, 22589, 27041, 35497, 42493, 67767, 81123, 106491, 127479, 158123, 189287, 248479, 297451, 474369, 567861, 745437, 892353, 1325009, 1739353, 1780843, 2082157, 3975027, 5218059, 5342529, 6246471, 12465901, 14575099, 19589273, 37397703, 43725297, 58767819, 87261307, 137124911, 261783921, 411374733, 610829149, 959874377, 1832487447, 2879623131, 6719120639, 20157361917]

約数ペア:

[(1, 20157361917), (3, 6719120639), (7, 2879623131), (11, 1832487447), (21, 959874377), (33, 610829149), (49, 411374733), (77, 261783921), (147, 137124911), (231, 87261307), (343, 58767819), (461, 43725297), (539, 37397703), (1029, 19589273), (1383, 14575099), (1617, 12465901), (3227, 6246471), (3773, 5342529), (3863, 5218059), (5071, 3975027), (9681, 2082157), (11319, 1780843), (11589, 1739353), (15213, 1325009), (22589, 892353), (27041, 745437), (35497, 567861), (42493, 474369), (67767, 297451), (81123, 248479), (106491, 189287), (127479, 158123)]