20127536

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 48330240

約数和(自身を除く): 28202704

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 418, 463, 494, 572, 836, 926, 988, 1144, 1672, 1852, 1976, 2288, 2717, 3344, 3704, 3952, 5093, 5434, 6019, 7408, 8797, 10186, 10868, 12038, 17594, 20372, 21736, 24076, 35188, 40744, 43472, 48152, 66209, 70376, 81488, 96304, 96767, 114361, 132418, 140752, 193534, 228722, 264836, 387068, 457444, 529672, 774136, 914888, 1059344, 1257971, 1548272, 1829776, 2515942, 5031884, 10063768, 20127536]

約数ペア:

[(1, 20127536), (2, 10063768), (4, 5031884), (8, 2515942), (11, 1829776), (13, 1548272), (16, 1257971), (19, 1059344), (22, 914888), (26, 774136), (38, 529672), (44, 457444), (52, 387068), (76, 264836), (88, 228722), (104, 193534), (143, 140752), (152, 132418), (176, 114361), (208, 96767), (209, 96304), (247, 81488), (286, 70376), (304, 66209), (418, 48152), (463, 43472), (494, 40744), (572, 35188), (836, 24076), (926, 21736), (988, 20372), (1144, 17594), (1672, 12038), (1852, 10868), (1976, 10186), (2288, 8797), (2717, 7408), (3344, 6019), (3704, 5434), (3952, 5093)]