20137544416

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{642797}}^1$

素因数の和:642907

約数の個数: 48

約数和(自身を含む): 43735975920

約数和(自身を除く): 23598431504

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 89, 176, 178, 352, 356, 712, 979, 1424, 1958, 2848, 3916, 7832, 15664, 31328, 642797, 1285594, 2571188, 5142376, 7070767, 10284752, 14141534, 20569504, 28283068, 56566136, 57208933, 113132272, 114417866, 226264544, 228835732, 457671464, 629298263, 915342928, 1258596526, 1830685856, 2517193052, 5034386104, 10068772208, 20137544416]

約数ペア:

[(1, 20137544416), (2, 10068772208), (4, 5034386104), (8, 2517193052), (11, 1830685856), (16, 1258596526), (22, 915342928), (32, 629298263), (44, 457671464), (88, 228835732), (89, 226264544), (176, 114417866), (178, 113132272), (352, 57208933), (356, 56566136), (712, 28283068), (979, 20569504), (1424, 14141534), (1958, 10284752), (2848, 7070767), (3916, 5142376), (7832, 2571188), (15664, 1285594), (31328, 642797)]