20078857792

素因数分解:

$2^6\times 7^3\times {\mathrm{197}}^1\times {\mathrm{4643}}^1$

素因数の和:4873

約数の個数: 112

約数和(自身を含む): 46711209600

約数和(自身を除く): 26632351808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 197, 224, 343, 392, 394, 448, 686, 784, 788, 1372, 1379, 1568, 1576, 2744, 2758, 3136, 3152, 4643, 5488, 5516, 6304, 9286, 9653, 10976, 11032, 12608, 18572, 19306, 21952, 22064, 32501, 37144, 38612, 44128, 65002, 67571, 74288, 77224, 88256, 130004, 135142, 148576, 154448, 227507, 260008, 270284, 297152, 308896, 455014, 520016, 540568, 617792, 910028, 914671, 1040032, 1081136, 1592549, 1820056, 1829342, 2080064, 2162272, 3185098, 3640112, 3658684, 4324544, 6370196, 6402697, 7280224, 7317368, 12740392, 12805394, 14560448, 14634736, 25480784, 25610788, 29269472, 44818879, 50961568, 51221576, 58538944, 89637758, 101923136, 102443152, 179275516, 204886304, 313732153, 358551032, 409772608, 627464306, 717102064, 1254928612, 1434204128, 2509857224, 2868408256, 5019714448, 10039428896, 20078857792]

約数ペア:

[(1, 20078857792), (2, 10039428896), (4, 5019714448), (7, 2868408256), (8, 2509857224), (14, 1434204128), (16, 1254928612), (28, 717102064), (32, 627464306), (49, 409772608), (56, 358551032), (64, 313732153), (98, 204886304), (112, 179275516), (196, 102443152), (197, 101923136), (224, 89637758), (343, 58538944), (392, 51221576), (394, 50961568), (448, 44818879), (686, 29269472), (784, 25610788), (788, 25480784), (1372, 14634736), (1379, 14560448), (1568, 12805394), (1576, 12740392), (2744, 7317368), (2758, 7280224), (3136, 6402697), (3152, 6370196), (4643, 4324544), (5488, 3658684), (5516, 3640112), (6304, 3185098), (9286, 2162272), (9653, 2080064), (10976, 1829342), (11032, 1820056), (12608, 1592549), (18572, 1081136), (19306, 1040032), (21952, 914671), (22064, 910028), (32501, 617792), (37144, 540568), (38612, 520016), (44128, 455014), (65002, 308896), (67571, 297152), (74288, 270284), (77224, 260008), (88256, 227507), (130004, 154448), (135142, 148576)]