20637940544

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{44059}}^1$

素因数の和:44647

約数の個数: 56

約数和(自身を含む): 44183015520

約数和(自身を除く): 23545074976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 563, 832, 1126, 2252, 4504, 7319, 9008, 14638, 18016, 29276, 36032, 44059, 58552, 88118, 117104, 176236, 234208, 352472, 468416, 572767, 704944, 1145534, 1409888, 2291068, 2819776, 4582136, 9164272, 18328544, 24805217, 36657088, 49610434, 99220868, 198441736, 322467821, 396883472, 644935642, 793766944, 1289871284, 1587533888, 2579742568, 5159485136, 10318970272, 20637940544]

約数ペア:

[(1, 20637940544), (2, 10318970272), (4, 5159485136), (8, 2579742568), (13, 1587533888), (16, 1289871284), (26, 793766944), (32, 644935642), (52, 396883472), (64, 322467821), (104, 198441736), (208, 99220868), (416, 49610434), (563, 36657088), (832, 24805217), (1126, 18328544), (2252, 9164272), (4504, 4582136), (7319, 2819776), (9008, 2291068), (14638, 1409888), (18016, 1145534), (29276, 704944), (36032, 572767), (44059, 468416), (58552, 352472), (88118, 234208), (117104, 176236)]